Home / 26,705.52-40,026.36-12,454.80

Finding the Fourth Proportional to 26,705.52, 40,026.36 and 12,454.80

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Solution

The fourth proportional to 26,705.52, 40,026.36 and 12,454.80 is: 18,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,705.52 : 40,026.36 = 12,454.80 : x
  2. Step 2: Convert to fraction form
    26,705.52/40,026.36 = 12,454.80/x
  3. Step 3: Cross multiply
    26,705.52x = 40,026.36 × 12,454.80
  4. Step 4: Simplify right side
    26,705.52x = 498,520,308.53
  5. Step 5: Solve for x
    x = 498,520,308.53/26,705.52
  6. Step 6: Final answer
    x = 18,667.31

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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.