Home / 21,541.36-32,324.52-9,060.40

Finding the Fourth Proportional to 21,541.36, 32,324.52 and 9,060.40

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Solution

The fourth proportional to 21,541.36, 32,324.52 and 9,060.40 is: 13,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541.36 : 32,324.52 = 9,060.40 : x
  2. Step 2: Convert to fraction form
    21,541.36/32,324.52 = 9,060.40/x
  3. Step 3: Cross multiply
    21,541.36x = 32,324.52 × 9,060.40
  4. Step 4: Simplify right side
    21,541.36x = 292,873,081.01
  5. Step 5: Solve for x
    x = 292,873,081.01/21,541.36
  6. Step 6: Final answer
    x = 13,595.85

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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.