Home / 27,017.28-37,296-15,840

Finding the Fourth Proportional to 27,017.28, 37,296 and 15,840

Calculator

Solution

The fourth proportional to 27,017.28, 37,296 and 15,840 is: 21,866.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,017.28 : 37,296 = 15,840 : x
  2. Step 2: Convert to fraction form
    27,017.28/37,296 = 15,840/x
  3. Step 3: Cross multiply
    27,017.28x = 37,296 × 15,840
  4. Step 4: Simplify right side
    27,017.28x = 590,768,640
  5. Step 5: Solve for x
    x = 590,768,640/27,017.28
  6. Step 6: Final answer
    x = 21,866.33

Related Problems

Find fourth proportional to 13,508.64, 18,648 and 7,920
Half scale
Find fourth proportional to 54,034.56, 74,592 and 31,680
Double scale
Find fourth proportional to 27,018.28, 37,297.38 and 15,841
Similar ratio
Find fourth proportional to 40,525.92, 55,944 and 23,760
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.