Home / 28,498.40-42,743.50-16,657.62

Finding the Fourth Proportional to 28,498.40, 42,743.50 and 16,657.62

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Solution

The fourth proportional to 28,498.40, 42,743.50 and 16,657.62 is: 24,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,498.40 : 42,743.50 = 16,657.62 : x
  2. Step 2: Convert to fraction form
    28,498.40/42,743.50 = 16,657.62/x
  3. Step 3: Cross multiply
    28,498.40x = 42,743.50 × 16,657.62
  4. Step 4: Simplify right side
    28,498.40x = 712,004,778.54
  5. Step 5: Solve for x
    x = 712,004,778.54/28,498.40
  6. Step 6: Final answer
    x = 24,984.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.