Home / 26,897.85-37,116.43-15,565.10

Finding the Fourth Proportional to 26,897.85, 37,116.43 and 15,565.10

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Solution

The fourth proportional to 26,897.85, 37,116.43 and 15,565.10 is: 21,478.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,897.85 : 37,116.43 = 15,565.10 : x
  2. Step 2: Convert to fraction form
    26,897.85/37,116.43 = 15,565.10/x
  3. Step 3: Cross multiply
    26,897.85x = 37,116.43 × 15,565.10
  4. Step 4: Simplify right side
    26,897.85x = 577,720,720.10
  5. Step 5: Solve for x
    x = 577,720,720.10/26,897.85
  6. Step 6: Final answer
    x = 21,478.32

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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.