Home / 26,895.40-40,343.10-20,667.40

Finding the Fourth Proportional to 26,895.40, 40,343.10 and 20,667.40

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Solution

The fourth proportional to 26,895.40, 40,343.10 and 20,667.40 is: 31,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,895.40 : 40,343.10 = 20,667.40 : x
  2. Step 2: Convert to fraction form
    26,895.40/40,343.10 = 20,667.40/x
  3. Step 3: Cross multiply
    26,895.40x = 40,343.10 × 20,667.40
  4. Step 4: Simplify right side
    26,895.40x = 833,786,984.94
  5. Step 5: Solve for x
    x = 833,786,984.94/26,895.40
  6. Step 6: Final answer
    x = 31,001.10

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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.