Home / 28,725.60-39,641.32-16,798.95

Finding the Fourth Proportional to 28,725.60, 39,641.32 and 16,798.95

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Solution

The fourth proportional to 28,725.60, 39,641.32 and 16,798.95 is: 23,182.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,725.60 : 39,641.32 = 16,798.95 : x
  2. Step 2: Convert to fraction form
    28,725.60/39,641.32 = 16,798.95/x
  3. Step 3: Cross multiply
    28,725.60x = 39,641.32 × 16,798.95
  4. Step 4: Simplify right side
    28,725.60x = 665,932,552.61
  5. Step 5: Solve for x
    x = 665,932,552.61/28,725.60
  6. Step 6: Final answer
    x = 23,182.55

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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.