Home / 27,999.23-42,005.07-10,229.86

Finding the Fourth Proportional to 27,999.23, 42,005.07 and 10,229.86

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Solution

The fourth proportional to 27,999.23, 42,005.07 and 10,229.86 is: 15,347.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,999.23 : 42,005.07 = 10,229.86 : x
  2. Step 2: Convert to fraction form
    27,999.23/42,005.07 = 10,229.86/x
  3. Step 3: Cross multiply
    27,999.23x = 42,005.07 × 10,229.86
  4. Step 4: Simplify right side
    27,999.23x = 429,705,880.38
  5. Step 5: Solve for x
    x = 429,705,880.38/27,999.23
  6. Step 6: Final answer
    x = 15,347.06

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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.