Home / 27,498.83-37,948.20-15,561.91

Finding the Fourth Proportional to 27,498.83, 37,948.20 and 15,561.91

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Solution

The fourth proportional to 27,498.83, 37,948.20 and 15,561.91 is: 21,475.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,498.83 : 37,948.20 = 15,561.91 : x
  2. Step 2: Convert to fraction form
    27,498.83/37,948.20 = 15,561.91/x
  3. Step 3: Cross multiply
    27,498.83x = 37,948.20 × 15,561.91
  4. Step 4: Simplify right side
    27,498.83x = 590,546,248.68
  5. Step 5: Solve for x
    x = 590,546,248.68/27,498.83
  6. Step 6: Final answer
    x = 21,475.33

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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.