Home / 72,026.24-108,026.28-19,423.41

Finding the Fourth Proportional to 72,026.24, 108,026.28 and 19,423.41

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Solution

The fourth proportional to 72,026.24, 108,026.28 and 19,423.41 is: 29,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,026.24 : 108,026.28 = 19,423.41 : x
  2. Step 2: Convert to fraction form
    72,026.24/108,026.28 = 19,423.41/x
  3. Step 3: Cross multiply
    72,026.24x = 108,026.28 × 19,423.41
  4. Step 4: Simplify right side
    72,026.24x = 2,098,238,727.21
  5. Step 5: Solve for x
    x = 2,098,238,727.21/72,026.24
  6. Step 6: Final answer
    x = 29,131.59

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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.