Home / 27,432.86-37,856.89-15,333.62

Finding the Fourth Proportional to 27,432.86, 37,856.89 and 15,333.62

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Solution

The fourth proportional to 27,432.86, 37,856.89 and 15,333.62 is: 21,160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,432.86 : 37,856.89 = 15,333.62 : x
  2. Step 2: Convert to fraction form
    27,432.86/37,856.89 = 15,333.62/x
  3. Step 3: Cross multiply
    27,432.86x = 37,856.89 × 15,333.62
  4. Step 4: Simplify right side
    27,432.86x = 580,483,088.97
  5. Step 5: Solve for x
    x = 580,483,088.97/27,432.86
  6. Step 6: Final answer
    x = 21,160.14

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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.