Home / 28,750.60-39,671.13-16,646.77

Finding the Fourth Proportional to 28,750.60, 39,671.13 and 16,646.77

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Solution

The fourth proportional to 28,750.60, 39,671.13 and 16,646.77 is: 22,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.60 : 39,671.13 = 16,646.77 : x
  2. Step 2: Convert to fraction form
    28,750.60/39,671.13 = 16,646.77/x
  3. Step 3: Cross multiply
    28,750.60x = 39,671.13 × 16,646.77
  4. Step 4: Simplify right side
    28,750.60x = 660,396,176.75
  5. Step 5: Solve for x
    x = 660,396,176.75/28,750.60
  6. Step 6: Final answer
    x = 22,969.82

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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.