Home / 28,330.38-42,479.79-11,701.68

Finding the Fourth Proportional to 28,330.38, 42,479.79 and 11,701.68

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Solution

The fourth proportional to 28,330.38, 42,479.79 and 11,701.68 is: 17,546.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.38 : 42,479.79 = 11,701.68 : x
  2. Step 2: Convert to fraction form
    28,330.38/42,479.79 = 11,701.68/x
  3. Step 3: Cross multiply
    28,330.38x = 42,479.79 × 11,701.68
  4. Step 4: Simplify right side
    28,330.38x = 497,084,909.05
  5. Step 5: Solve for x
    x = 497,084,909.05/28,330.38
  6. Step 6: Final answer
    x = 17,546.00

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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.