Home / 28,473.48-42,689.70-17,377.56

Finding the Fourth Proportional to 28,473.48, 42,689.70 and 17,377.56

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Solution

The fourth proportional to 28,473.48, 42,689.70 and 17,377.56 is: 26,053.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473.48 : 42,689.70 = 17,377.56 : x
  2. Step 2: Convert to fraction form
    28,473.48/42,689.70 = 17,377.56/x
  3. Step 3: Cross multiply
    28,473.48x = 42,689.70 × 17,377.56
  4. Step 4: Simplify right side
    28,473.48x = 741,842,823.13
  5. Step 5: Solve for x
    x = 741,842,823.13/28,473.48
  6. Step 6: Final answer
    x = 26,053.82

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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.