Home / 28,392.30-42,594.39-9,670.86

Finding the Fourth Proportional to 28,392.30, 42,594.39 and 9,670.86

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Solution

The fourth proportional to 28,392.30, 42,594.39 and 9,670.86 is: 14,508.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392.30 : 42,594.39 = 9,670.86 : x
  2. Step 2: Convert to fraction form
    28,392.30/42,594.39 = 9,670.86/x
  3. Step 3: Cross multiply
    28,392.30x = 42,594.39 × 9,670.86
  4. Step 4: Simplify right side
    28,392.30x = 411,924,382.48
  5. Step 5: Solve for x
    x = 411,924,382.48/28,392.30
  6. Step 6: Final answer
    x = 14,508.31

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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.