Home / 29,287.08-40,415.52-16,711.56

Finding the Fourth Proportional to 29,287.08, 40,415.52 and 16,711.56

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Solution

The fourth proportional to 29,287.08, 40,415.52 and 16,711.56 is: 23,061.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,287.08 : 40,415.52 = 16,711.56 : x
  2. Step 2: Convert to fraction form
    29,287.08/40,415.52 = 16,711.56/x
  3. Step 3: Cross multiply
    29,287.08x = 40,415.52 × 16,711.56
  4. Step 4: Simplify right side
    29,287.08x = 675,406,387.41
  5. Step 5: Solve for x
    x = 675,406,387.41/29,287.08
  6. Step 6: Final answer
    x = 23,061.58

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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.