Home / 27,975.16-38,607.60-15,400.72

Finding the Fourth Proportional to 27,975.16, 38,607.60 and 15,400.72

Calculator

Solution

The fourth proportional to 27,975.16, 38,607.60 and 15,400.72 is: 21,254.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,975.16 : 38,607.60 = 15,400.72 : x
  2. Step 2: Convert to fraction form
    27,975.16/38,607.60 = 15,400.72/x
  3. Step 3: Cross multiply
    27,975.16x = 38,607.60 × 15,400.72
  4. Step 4: Simplify right side
    27,975.16x = 594,584,837.47
  5. Step 5: Solve for x
    x = 594,584,837.47/27,975.16
  6. Step 6: Final answer
    x = 21,254.03

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.