Home / 21,627.36-32,425.92-9,934.20

Finding the Fourth Proportional to 21,627.36, 32,425.92 and 9,934.20

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Solution

The fourth proportional to 21,627.36, 32,425.92 and 9,934.20 is: 14,894.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.36 : 32,425.92 = 9,934.20 : x
  2. Step 2: Convert to fraction form
    21,627.36/32,425.92 = 9,934.20/x
  3. Step 3: Cross multiply
    21,627.36x = 32,425.92 × 9,934.20
  4. Step 4: Simplify right side
    21,627.36x = 322,125,574.46
  5. Step 5: Solve for x
    x = 322,125,574.46/21,627.36
  6. Step 6: Final answer
    x = 14,894.35

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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.