Home / 28,474.17-42,737.30-14,443.91

Finding the Fourth Proportional to 28,474.17, 42,737.30 and 14,443.91

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Solution

The fourth proportional to 28,474.17, 42,737.30 and 14,443.91 is: 21,679.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,474.17 : 42,737.30 = 14,443.91 : x
  2. Step 2: Convert to fraction form
    28,474.17/42,737.30 = 14,443.91/x
  3. Step 3: Cross multiply
    28,474.17x = 42,737.30 × 14,443.91
  4. Step 4: Simplify right side
    28,474.17x = 617,293,714.84
  5. Step 5: Solve for x
    x = 617,293,714.84/28,474.17
  6. Step 6: Final answer
    x = 21,679.08

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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.