Home / 21,501.26-32,255.66-9,815.66

Finding the Fourth Proportional to 21,501.26, 32,255.66 and 9,815.66

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Solution

The fourth proportional to 21,501.26, 32,255.66 and 9,815.66 is: 14,725.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,501.26 : 32,255.66 = 9,815.66 : x
  2. Step 2: Convert to fraction form
    21,501.26/32,255.66 = 9,815.66/x
  3. Step 3: Cross multiply
    21,501.26x = 32,255.66 × 9,815.66
  4. Step 4: Simplify right side
    21,501.26x = 316,610,454.90
  5. Step 5: Solve for x
    x = 316,610,454.90/21,501.26
  6. Step 6: Final answer
    x = 14,725.21

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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.