Home / 28,016.94-42,032.70-10,488.12

Finding the Fourth Proportional to 28,016.94, 42,032.70 and 10,488.12

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Solution

The fourth proportional to 28,016.94, 42,032.70 and 10,488.12 is: 15,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,016.94 : 42,032.70 = 10,488.12 : x
  2. Step 2: Convert to fraction form
    28,016.94/42,032.70 = 10,488.12/x
  3. Step 3: Cross multiply
    28,016.94x = 42,032.70 × 10,488.12
  4. Step 4: Simplify right side
    28,016.94x = 440,844,001.52
  5. Step 5: Solve for x
    x = 440,844,001.52/28,016.94
  6. Step 6: Final answer
    x = 15,734.91

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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.