Home / 28,780.27-43,178.99-14,750.17

Finding the Fourth Proportional to 28,780.27, 43,178.99 and 14,750.17

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Solution

The fourth proportional to 28,780.27, 43,178.99 and 14,750.17 is: 22,129.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,780.27 : 43,178.99 = 14,750.17 : x
  2. Step 2: Convert to fraction form
    28,780.27/43,178.99 = 14,750.17/x
  3. Step 3: Cross multiply
    28,780.27x = 43,178.99 × 14,750.17
  4. Step 4: Simplify right side
    28,780.27x = 636,897,261.23
  5. Step 5: Solve for x
    x = 636,897,261.23/28,780.27
  6. Step 6: Final answer
    x = 22,129.65

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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.