Home / 27,761.40-41,637.48-9,988.47

Finding the Fourth Proportional to 27,761.40, 41,637.48 and 9,988.47

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Solution

The fourth proportional to 27,761.40, 41,637.48 and 9,988.47 is: 14,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,761.40 : 41,637.48 = 9,988.47 : x
  2. Step 2: Convert to fraction form
    27,761.40/41,637.48 = 9,988.47/x
  3. Step 3: Cross multiply
    27,761.40x = 41,637.48 × 9,988.47
  4. Step 4: Simplify right side
    27,761.40x = 415,894,719.86
  5. Step 5: Solve for x
    x = 415,894,719.86/27,761.40
  6. Step 6: Final answer
    x = 14,981.04

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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.