Home / 26,001.98-38,990.61-12,838.97

Finding the Fourth Proportional to 26,001.98, 38,990.61 and 12,838.97

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Solution

The fourth proportional to 26,001.98, 38,990.61 and 12,838.97 is: 19,252.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,001.98 : 38,990.61 = 12,838.97 : x
  2. Step 2: Convert to fraction form
    26,001.98/38,990.61 = 12,838.97/x
  3. Step 3: Cross multiply
    26,001.98x = 38,990.61 × 12,838.97
  4. Step 4: Simplify right side
    26,001.98x = 500,599,077.12
  5. Step 5: Solve for x
    x = 500,599,077.12/26,001.98
  6. Step 6: Final answer
    x = 19,252.35

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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.