Home / 28,454.75-39,267.65-16,518.59

Finding the Fourth Proportional to 28,454.75, 39,267.65 and 16,518.59

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Solution

The fourth proportional to 28,454.75, 39,267.65 and 16,518.59 is: 22,795.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,454.75 : 39,267.65 = 16,518.59 : x
  2. Step 2: Convert to fraction form
    28,454.75/39,267.65 = 16,518.59/x
  3. Step 3: Cross multiply
    28,454.75x = 39,267.65 × 16,518.59
  4. Step 4: Simplify right side
    28,454.75x = 648,646,210.61
  5. Step 5: Solve for x
    x = 648,646,210.61/28,454.75
  6. Step 6: Final answer
    x = 22,795.71

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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.