Home / 21,563.60-32,335.14-7,521.92

Finding the Fourth Proportional to 21,563.60, 32,335.14 and 7,521.92

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Solution

The fourth proportional to 21,563.60, 32,335.14 and 7,521.92 is: 11,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,563.60 : 32,335.14 = 7,521.92 : x
  2. Step 2: Convert to fraction form
    21,563.60/32,335.14 = 7,521.92/x
  3. Step 3: Cross multiply
    21,563.60x = 32,335.14 × 7,521.92
  4. Step 4: Simplify right side
    21,563.60x = 243,222,324.06
  5. Step 5: Solve for x
    x = 243,222,324.06/21,563.60
  6. Step 6: Final answer
    x = 11,279.30

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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.