Home / 28,324.17-42,486.30-8,602.86

Finding the Fourth Proportional to 28,324.17, 42,486.30 and 8,602.86

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Solution

The fourth proportional to 28,324.17, 42,486.30 and 8,602.86 is: 12,904.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324.17 : 42,486.30 = 8,602.86 : x
  2. Step 2: Convert to fraction form
    28,324.17/42,486.30 = 8,602.86/x
  3. Step 3: Cross multiply
    28,324.17x = 42,486.30 × 8,602.86
  4. Step 4: Simplify right side
    28,324.17x = 365,503,690.82
  5. Step 5: Solve for x
    x = 365,503,690.82/28,324.17
  6. Step 6: Final answer
    x = 12,904.30

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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.