Home / 27,279.60-40,893.36-15,570.24

Finding the Fourth Proportional to 27,279.60, 40,893.36 and 15,570.24

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Solution

The fourth proportional to 27,279.60, 40,893.36 and 15,570.24 is: 23,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,279.60 : 40,893.36 = 15,570.24 : x
  2. Step 2: Convert to fraction form
    27,279.60/40,893.36 = 15,570.24/x
  3. Step 3: Cross multiply
    27,279.60x = 40,893.36 × 15,570.24
  4. Step 4: Simplify right side
    27,279.60x = 636,719,429.61
  5. Step 5: Solve for x
    x = 636,719,429.61/27,279.60
  6. Step 6: Final answer
    x = 23,340.50

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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.