Home / 28,565.18-39,423.47-17,241.18

Finding the Fourth Proportional to 28,565.18, 39,423.47 and 17,241.18

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Solution

The fourth proportional to 28,565.18, 39,423.47 and 17,241.18 is: 23,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,565.18 : 39,423.47 = 17,241.18 : x
  2. Step 2: Convert to fraction form
    28,565.18/39,423.47 = 17,241.18/x
  3. Step 3: Cross multiply
    28,565.18x = 39,423.47 × 17,241.18
  4. Step 4: Simplify right side
    28,565.18x = 679,707,142.49
  5. Step 5: Solve for x
    x = 679,707,142.49/28,565.18
  6. Step 6: Final answer
    x = 23,794.95

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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.