Home / 26,667.60-40,001.40-20,446.80

Finding the Fourth Proportional to 26,667.60, 40,001.40 and 20,446.80

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Solution

The fourth proportional to 26,667.60, 40,001.40 and 20,446.80 is: 30,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,667.60 : 40,001.40 = 20,446.80 : x
  2. Step 2: Convert to fraction form
    26,667.60/40,001.40 = 20,446.80/x
  3. Step 3: Cross multiply
    26,667.60x = 40,001.40 × 20,446.80
  4. Step 4: Simplify right side
    26,667.60x = 817,900,625.52
  5. Step 5: Solve for x
    x = 817,900,625.52/26,667.60
  6. Step 6: Final answer
    x = 30,670.20

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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.