Home / 19,517.42-29,305.28-19,225.82

Finding the Fourth Proportional to 19,517.42, 29,305.28 and 19,225.82

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Solution

The fourth proportional to 19,517.42, 29,305.28 and 19,225.82 is: 28,867.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.42 : 29,305.28 = 19,225.82 : x
  2. Step 2: Convert to fraction form
    19,517.42/29,305.28 = 19,225.82/x
  3. Step 3: Cross multiply
    19,517.42x = 29,305.28 × 19,225.82
  4. Step 4: Simplify right side
    19,517.42x = 563,417,939.87
  5. Step 5: Solve for x
    x = 563,417,939.87/19,517.42
  6. Step 6: Final answer
    x = 28,867.45

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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.