Home / 26,720.08-40,111.16-15,634.71

Finding the Fourth Proportional to 26,720.08, 40,111.16 and 15,634.71

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Solution

The fourth proportional to 26,720.08, 40,111.16 and 15,634.71 is: 23,470.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.08 : 40,111.16 = 15,634.71 : x
  2. Step 2: Convert to fraction form
    26,720.08/40,111.16 = 15,634.71/x
  3. Step 3: Cross multiply
    26,720.08x = 40,111.16 × 15,634.71
  4. Step 4: Simplify right side
    26,720.08x = 627,126,276.19
  5. Step 5: Solve for x
    x = 627,126,276.19/26,720.08
  6. Step 6: Final answer
    x = 23,470.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.