Home / 28,023.18-42,038.82-8,299.14

Finding the Fourth Proportional to 28,023.18, 42,038.82 and 8,299.14

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Solution

The fourth proportional to 28,023.18, 42,038.82 and 8,299.14 is: 12,449.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,023.18 : 42,038.82 = 8,299.14 : x
  2. Step 2: Convert to fraction form
    28,023.18/42,038.82 = 8,299.14/x
  3. Step 3: Cross multiply
    28,023.18x = 42,038.82 × 8,299.14
  4. Step 4: Simplify right side
    28,023.18x = 348,886,052.61
  5. Step 5: Solve for x
    x = 348,886,052.61/28,023.18
  6. Step 6: Final answer
    x = 12,449.91

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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.