Home / 28,281.69-42,422.13-9,557.73

Finding the Fourth Proportional to 28,281.69, 42,422.13 and 9,557.73

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Solution

The fourth proportional to 28,281.69, 42,422.13 and 9,557.73 is: 14,336.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,281.69 : 42,422.13 = 9,557.73 : x
  2. Step 2: Convert to fraction form
    28,281.69/42,422.13 = 9,557.73/x
  3. Step 3: Cross multiply
    28,281.69x = 42,422.13 × 9,557.73
  4. Step 4: Simplify right side
    28,281.69x = 405,459,264.56
  5. Step 5: Solve for x
    x = 405,459,264.56/28,281.69
  6. Step 6: Final answer
    x = 14,336.46

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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.