Home / 21,351.30-32,030.19-10,255.92

Finding the Fourth Proportional to 21,351.30, 32,030.19 and 10,255.92

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Solution

The fourth proportional to 21,351.30, 32,030.19 and 10,255.92 is: 15,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351.30 : 32,030.19 = 10,255.92 : x
  2. Step 2: Convert to fraction form
    21,351.30/32,030.19 = 10,255.92/x
  3. Step 3: Cross multiply
    21,351.30x = 32,030.19 × 10,255.92
  4. Step 4: Simplify right side
    21,351.30x = 328,499,066.22
  5. Step 5: Solve for x
    x = 328,499,066.22/21,351.30
  6. Step 6: Final answer
    x = 15,385.44

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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.