Home / 28,456.98-42,690.48-9,732.62

Finding the Fourth Proportional to 28,456.98, 42,690.48 and 9,732.62

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Solution

The fourth proportional to 28,456.98, 42,690.48 and 9,732.62 is: 14,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,456.98 : 42,690.48 = 9,732.62 : x
  2. Step 2: Convert to fraction form
    28,456.98/42,690.48 = 9,732.62/x
  3. Step 3: Cross multiply
    28,456.98x = 42,690.48 × 9,732.62
  4. Step 4: Simplify right side
    28,456.98x = 415,490,219.46
  5. Step 5: Solve for x
    x = 415,490,219.46/28,456.98
  6. Step 6: Final answer
    x = 14,600.64

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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.