Home / 27,432.88-37,858.99-15,495.91

Finding the Fourth Proportional to 27,432.88, 37,858.99 and 15,495.91

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Solution

The fourth proportional to 27,432.88, 37,858.99 and 15,495.91 is: 21,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,432.88 : 37,858.99 = 15,495.91 : x
  2. Step 2: Convert to fraction form
    27,432.88/37,858.99 = 15,495.91/x
  3. Step 3: Cross multiply
    27,432.88x = 37,858.99 × 15,495.91
  4. Step 4: Simplify right side
    27,432.88x = 586,659,501.73
  5. Step 5: Solve for x
    x = 586,659,501.73/27,432.88
  6. Step 6: Final answer
    x = 21,385.27

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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.