Home / 38.40-52.98-26.13

Finding the Fourth Proportional to 38.40, 52.98 and 26.13

Calculator

Solution

The fourth proportional to 38.40, 52.98 and 26.13 is: 36.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.40 : 52.98 = 26.13 : x
  2. Step 2: Convert to fraction form
    38.40/52.98 = 26.13/x
  3. Step 3: Cross multiply
    38.40x = 52.98 × 26.13
  4. Step 4: Simplify right side
    38.40x = 1,384.37
  5. Step 5: Solve for x
    x = 1,384.37/38.40
  6. Step 6: Final answer
    x = 36.05

Related Problems

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.