Home / 26,768.47-40,141.05-14,285.71

Finding the Fourth Proportional to 26,768.47, 40,141.05 and 14,285.71

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Solution

The fourth proportional to 26,768.47, 40,141.05 and 14,285.71 is: 21,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,768.47 : 40,141.05 = 14,285.71 : x
  2. Step 2: Convert to fraction form
    26,768.47/40,141.05 = 14,285.71/x
  3. Step 3: Cross multiply
    26,768.47x = 40,141.05 × 14,285.71
  4. Step 4: Simplify right side
    26,768.47x = 573,443,399.40
  5. Step 5: Solve for x
    x = 573,443,399.40/26,768.47
  6. Step 6: Final answer
    x = 21,422.34

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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.