Home / 28,939.68-43,412.36-14,861.07

Finding the Fourth Proportional to 28,939.68, 43,412.36 and 14,861.07

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Solution

The fourth proportional to 28,939.68, 43,412.36 and 14,861.07 is: 22,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939.68 : 43,412.36 = 14,861.07 : x
  2. Step 2: Convert to fraction form
    28,939.68/43,412.36 = 14,861.07/x
  3. Step 3: Cross multiply
    28,939.68x = 43,412.36 × 14,861.07
  4. Step 4: Simplify right side
    28,939.68x = 645,154,046.52
  5. Step 5: Solve for x
    x = 645,154,046.52/28,939.68
  6. Step 6: Final answer
    x = 22,293.06

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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.