Home / 27,402.71-37,817.48-15,461.69

Finding the Fourth Proportional to 27,402.71, 37,817.48 and 15,461.69

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Solution

The fourth proportional to 27,402.71, 37,817.48 and 15,461.69 is: 21,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,402.71 : 37,817.48 = 15,461.69 : x
  2. Step 2: Convert to fraction form
    27,402.71/37,817.48 = 15,461.69/x
  3. Step 3: Cross multiply
    27,402.71x = 37,817.48 × 15,461.69
  4. Step 4: Simplify right side
    27,402.71x = 584,722,001.91
  5. Step 5: Solve for x
    x = 584,722,001.91/27,402.71
  6. Step 6: Final answer
    x = 21,338.11

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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.