Home / 27,432.15-37,852.59-15,331.35

Finding the Fourth Proportional to 27,432.15, 37,852.59 and 15,331.35

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Solution

The fourth proportional to 27,432.15, 37,852.59 and 15,331.35 is: 21,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,432.15 : 37,852.59 = 15,331.35 : x
  2. Step 2: Convert to fraction form
    27,432.15/37,852.59 = 15,331.35/x
  3. Step 3: Cross multiply
    27,432.15x = 37,852.59 × 15,331.35
  4. Step 4: Simplify right side
    27,432.15x = 580,331,305.70
  5. Step 5: Solve for x
    x = 580,331,305.70/27,432.15
  6. Step 6: Final answer
    x = 21,155.15

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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.