Home / 28,227.13-38,952.11-16,294.31

Finding the Fourth Proportional to 28,227.13, 38,952.11 and 16,294.31

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Solution

The fourth proportional to 28,227.13, 38,952.11 and 16,294.31 is: 22,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.13 : 38,952.11 = 16,294.31 : x
  2. Step 2: Convert to fraction form
    28,227.13/38,952.11 = 16,294.31/x
  3. Step 3: Cross multiply
    28,227.13x = 38,952.11 × 16,294.31
  4. Step 4: Simplify right side
    28,227.13x = 634,697,601.47
  5. Step 5: Solve for x
    x = 634,697,601.47/28,227.13
  6. Step 6: Final answer
    x = 22,485.38

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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.