Home / 28,000.97-42,005.55-10,232.50

Finding the Fourth Proportional to 28,000.97, 42,005.55 and 10,232.50

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Solution

The fourth proportional to 28,000.97, 42,005.55 and 10,232.50 is: 15,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.97 : 42,005.55 = 10,232.50 : x
  2. Step 2: Convert to fraction form
    28,000.97/42,005.55 = 10,232.50/x
  3. Step 3: Cross multiply
    28,000.97x = 42,005.55 × 10,232.50
  4. Step 4: Simplify right side
    28,000.97x = 429,821,790.38
  5. Step 5: Solve for x
    x = 429,821,790.38/28,000.97
  6. Step 6: Final answer
    x = 15,350.25

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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.