Home / 26,987.20-37,227.36-15,807.04

Finding the Fourth Proportional to 26,987.20, 37,227.36 and 15,807.04

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Solution

The fourth proportional to 26,987.20, 37,227.36 and 15,807.04 is: 21,804.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,987.20 : 37,227.36 = 15,807.04 : x
  2. Step 2: Convert to fraction form
    26,987.20/37,227.36 = 15,807.04/x
  3. Step 3: Cross multiply
    26,987.20x = 37,227.36 × 15,807.04
  4. Step 4: Simplify right side
    26,987.20x = 588,454,368.61
  5. Step 5: Solve for x
    x = 588,454,368.61/26,987.20
  6. Step 6: Final answer
    x = 21,804.94

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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.