Home / 28,864.74-43,292.84-17,765.70

Finding the Fourth Proportional to 28,864.74, 43,292.84 and 17,765.70

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Solution

The fourth proportional to 28,864.74, 43,292.84 and 17,765.70 is: 26,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,864.74 : 43,292.84 = 17,765.70 : x
  2. Step 2: Convert to fraction form
    28,864.74/43,292.84 = 17,765.70/x
  3. Step 3: Cross multiply
    28,864.74x = 43,292.84 × 17,765.70
  4. Step 4: Simplify right side
    28,864.74x = 769,127,607.59
  5. Step 5: Solve for x
    x = 769,127,607.59/28,864.74
  6. Step 6: Final answer
    x = 26,645.92

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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.