Home / 28,189.25-38,901.17-17,011.25

Finding the Fourth Proportional to 28,189.25, 38,901.17 and 17,011.25

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Solution

The fourth proportional to 28,189.25, 38,901.17 and 17,011.25 is: 23,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,189.25 : 38,901.17 = 17,011.25 : x
  2. Step 2: Convert to fraction form
    28,189.25/38,901.17 = 17,011.25/x
  3. Step 3: Cross multiply
    28,189.25x = 38,901.17 × 17,011.25
  4. Step 4: Simplify right side
    28,189.25x = 661,757,443.11
  5. Step 5: Solve for x
    x = 661,757,443.11/28,189.25
  6. Step 6: Final answer
    x = 23,475.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.