Home / 26,848.60-40,272.90-7,129.15

Finding the Fourth Proportional to 26,848.60, 40,272.90 and 7,129.15

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Solution

The fourth proportional to 26,848.60, 40,272.90 and 7,129.15 is: 10,693.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,848.60 : 40,272.90 = 7,129.15 : x
  2. Step 2: Convert to fraction form
    26,848.60/40,272.90 = 7,129.15/x
  3. Step 3: Cross multiply
    26,848.60x = 40,272.90 × 7,129.15
  4. Step 4: Simplify right side
    26,848.60x = 287,111,545.04
  5. Step 5: Solve for x
    x = 287,111,545.04/26,848.60
  6. Step 6: Final answer
    x = 10,693.73

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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.