Home / 21,949.52-32,925.40-12,587.04

Finding the Fourth Proportional to 21,949.52, 32,925.40 and 12,587.04

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Solution

The fourth proportional to 21,949.52, 32,925.40 and 12,587.04 is: 18,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,949.52 : 32,925.40 = 12,587.04 : x
  2. Step 2: Convert to fraction form
    21,949.52/32,925.40 = 12,587.04/x
  3. Step 3: Cross multiply
    21,949.52x = 32,925.40 × 12,587.04
  4. Step 4: Simplify right side
    21,949.52x = 414,433,326.82
  5. Step 5: Solve for x
    x = 414,433,326.82/21,949.52
  6. Step 6: Final answer
    x = 18,881.20

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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.