Home / 28,392.26-39,180.47-16,454.88

Finding the Fourth Proportional to 28,392.26, 39,180.47 and 16,454.88

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Solution

The fourth proportional to 28,392.26, 39,180.47 and 16,454.88 is: 22,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392.26 : 39,180.47 = 16,454.88 : x
  2. Step 2: Convert to fraction form
    28,392.26/39,180.47 = 16,454.88/x
  3. Step 3: Cross multiply
    28,392.26x = 39,180.47 × 16,454.88
  4. Step 4: Simplify right side
    28,392.26x = 644,709,849.92
  5. Step 5: Solve for x
    x = 644,709,849.92/28,392.26
  6. Step 6: Final answer
    x = 22,707.24

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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.