Home / 21,742.28-32,604.30-6,947.24

Finding the Fourth Proportional to 21,742.28, 32,604.30 and 6,947.24

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Solution

The fourth proportional to 21,742.28, 32,604.30 and 6,947.24 is: 10,417.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,742.28 : 32,604.30 = 6,947.24 : x
  2. Step 2: Convert to fraction form
    21,742.28/32,604.30 = 6,947.24/x
  3. Step 3: Cross multiply
    21,742.28x = 32,604.30 × 6,947.24
  4. Step 4: Simplify right side
    21,742.28x = 226,509,897.13
  5. Step 5: Solve for x
    x = 226,509,897.13/21,742.28
  6. Step 6: Final answer
    x = 10,417.95

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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.