Home / 28,069.28-38,737.72-16,133.12

Finding the Fourth Proportional to 28,069.28, 38,737.72 and 16,133.12

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Solution

The fourth proportional to 28,069.28, 38,737.72 and 16,133.12 is: 22,264.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.28 : 38,737.72 = 16,133.12 : x
  2. Step 2: Convert to fraction form
    28,069.28/38,737.72 = 16,133.12/x
  3. Step 3: Cross multiply
    28,069.28x = 38,737.72 × 16,133.12
  4. Step 4: Simplify right side
    28,069.28x = 624,960,285.29
  5. Step 5: Solve for x
    x = 624,960,285.29/28,069.28
  6. Step 6: Final answer
    x = 22,264.92

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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.