Home / 57,726.20-86,597.40-18,279.20

Finding the Fourth Proportional to 57,726.20, 86,597.40 and 18,279.20

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Solution

The fourth proportional to 57,726.20, 86,597.40 and 18,279.20 is: 27,421.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,726.20 : 86,597.40 = 18,279.20 : x
  2. Step 2: Convert to fraction form
    57,726.20/86,597.40 = 18,279.20/x
  3. Step 3: Cross multiply
    57,726.20x = 86,597.40 × 18,279.20
  4. Step 4: Simplify right side
    57,726.20x = 1,582,931,194.08
  5. Step 5: Solve for x
    x = 1,582,931,194.08/57,726.20
  6. Step 6: Final answer
    x = 27,421.36

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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.