Home / 27,332.78-40,999.18-21,101.89

Finding the Fourth Proportional to 27,332.78, 40,999.18 and 21,101.89

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Solution

The fourth proportional to 27,332.78, 40,999.18 and 21,101.89 is: 31,652.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,332.78 : 40,999.18 = 21,101.89 : x
  2. Step 2: Convert to fraction form
    27,332.78/40,999.18 = 21,101.89/x
  3. Step 3: Cross multiply
    27,332.78x = 40,999.18 × 21,101.89
  4. Step 4: Simplify right side
    27,332.78x = 865,160,186.45
  5. Step 5: Solve for x
    x = 865,160,186.45/27,332.78
  6. Step 6: Final answer
    x = 31,652.84

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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.