Home / 28,603.28-39,472.50-16,028.12

Finding the Fourth Proportional to 28,603.28, 39,472.50 and 16,028.12

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Solution

The fourth proportional to 28,603.28, 39,472.50 and 16,028.12 is: 22,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,603.28 : 39,472.50 = 16,028.12 : x
  2. Step 2: Convert to fraction form
    28,603.28/39,472.50 = 16,028.12/x
  3. Step 3: Cross multiply
    28,603.28x = 39,472.50 × 16,028.12
  4. Step 4: Simplify right side
    28,603.28x = 632,669,966.70
  5. Step 5: Solve for x
    x = 632,669,966.70/28,603.28
  6. Step 6: Final answer
    x = 22,118.79

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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.