Home / 21,760.24-32,641.20-6,969.76

Finding the Fourth Proportional to 21,760.24, 32,641.20 and 6,969.76

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Solution

The fourth proportional to 21,760.24, 32,641.20 and 6,969.76 is: 10,454.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,760.24 : 32,641.20 = 6,969.76 : x
  2. Step 2: Convert to fraction form
    21,760.24/32,641.20 = 6,969.76/x
  3. Step 3: Cross multiply
    21,760.24x = 32,641.20 × 6,969.76
  4. Step 4: Simplify right side
    21,760.24x = 227,501,330.11
  5. Step 5: Solve for x
    x = 227,501,330.11/21,760.24
  6. Step 6: Final answer
    x = 10,454.91

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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.