Home / 27,999.60-42,005.63-10,230.23

Finding the Fourth Proportional to 27,999.60, 42,005.63 and 10,230.23

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Solution

The fourth proportional to 27,999.60, 42,005.63 and 10,230.23 is: 15,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,999.60 : 42,005.63 = 10,230.23 : x
  2. Step 2: Convert to fraction form
    27,999.60/42,005.63 = 10,230.23/x
  3. Step 3: Cross multiply
    27,999.60x = 42,005.63 × 10,230.23
  4. Step 4: Simplify right side
    27,999.60x = 429,726,995.02
  5. Step 5: Solve for x
    x = 429,726,995.02/27,999.60
  6. Step 6: Final answer
    x = 15,347.61

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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.