Home / 28,769.22-43,158.10-14,737.20

Finding the Fourth Proportional to 28,769.22, 43,158.10 and 14,737.20

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Solution

The fourth proportional to 28,769.22, 43,158.10 and 14,737.20 is: 22,107.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.22 : 43,158.10 = 14,737.20 : x
  2. Step 2: Convert to fraction form
    28,769.22/43,158.10 = 14,737.20/x
  3. Step 3: Cross multiply
    28,769.22x = 43,158.10 × 14,737.20
  4. Step 4: Simplify right side
    28,769.22x = 636,029,551.32
  5. Step 5: Solve for x
    x = 636,029,551.32/28,769.22
  6. Step 6: Final answer
    x = 22,107.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.