Home / 27,432.52-41,142.30-12,632.20

Finding the Fourth Proportional to 27,432.52, 41,142.30 and 12,632.20

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Solution

The fourth proportional to 27,432.52, 41,142.30 and 12,632.20 is: 18,945.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,432.52 : 41,142.30 = 12,632.20 : x
  2. Step 2: Convert to fraction form
    27,432.52/41,142.30 = 12,632.20/x
  3. Step 3: Cross multiply
    27,432.52x = 41,142.30 × 12,632.20
  4. Step 4: Simplify right side
    27,432.52x = 519,717,762.06
  5. Step 5: Solve for x
    x = 519,717,762.06/27,432.52
  6. Step 6: Final answer
    x = 18,945.32

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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.