Home / 38,985.12-58,483.98-15,279.82

Finding the Fourth Proportional to 38,985.12, 58,483.98 and 15,279.82

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Solution

The fourth proportional to 38,985.12, 58,483.98 and 15,279.82 is: 22,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,985.12 : 58,483.98 = 15,279.82 : x
  2. Step 2: Convert to fraction form
    38,985.12/58,483.98 = 15,279.82/x
  3. Step 3: Cross multiply
    38,985.12x = 58,483.98 × 15,279.82
  4. Step 4: Simplify right side
    38,985.12x = 893,624,687.28
  5. Step 5: Solve for x
    x = 893,624,687.28/38,985.12
  6. Step 6: Final answer
    x = 22,922.20

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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.