Home / 27,874.74-38,466.86-15,127.94

Finding the Fourth Proportional to 27,874.74, 38,466.86 and 15,127.94

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Solution

The fourth proportional to 27,874.74, 38,466.86 and 15,127.94 is: 20,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,874.74 : 38,466.86 = 15,127.94 : x
  2. Step 2: Convert to fraction form
    27,874.74/38,466.86 = 15,127.94/x
  3. Step 3: Cross multiply
    27,874.74x = 38,466.86 × 15,127.94
  4. Step 4: Simplify right side
    27,874.74x = 581,924,350.07
  5. Step 5: Solve for x
    x = 581,924,350.07/27,874.74
  6. Step 6: Final answer
    x = 20,876.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.