Home / 28,392.48-39,182.04-16,294.92

Finding the Fourth Proportional to 28,392.48, 39,182.04 and 16,294.92

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Solution

The fourth proportional to 28,392.48, 39,182.04 and 16,294.92 is: 22,487.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392.48 : 39,182.04 = 16,294.92 : x
  2. Step 2: Convert to fraction form
    28,392.48/39,182.04 = 16,294.92/x
  3. Step 3: Cross multiply
    28,392.48x = 39,182.04 × 16,294.92
  4. Step 4: Simplify right side
    28,392.48x = 638,468,207.24
  5. Step 5: Solve for x
    x = 638,468,207.24/28,392.48
  6. Step 6: Final answer
    x = 22,487.23

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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.