Home / 26,816.56-36,972.80-22,278.40

Finding the Fourth Proportional to 26,816.56, 36,972.80 and 22,278.40

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Solution

The fourth proportional to 26,816.56, 36,972.80 and 22,278.40 is: 30,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,816.56 : 36,972.80 = 22,278.40 : x
  2. Step 2: Convert to fraction form
    26,816.56/36,972.80 = 22,278.40/x
  3. Step 3: Cross multiply
    26,816.56x = 36,972.80 × 22,278.40
  4. Step 4: Simplify right side
    26,816.56x = 823,694,827.52
  5. Step 5: Solve for x
    x = 823,694,827.52/26,816.56
  6. Step 6: Final answer
    x = 30,715.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.