Home / 22,127.52-30,542.40-14,579.40

Finding the Fourth Proportional to 22,127.52, 30,542.40 and 14,579.40

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Solution

The fourth proportional to 22,127.52, 30,542.40 and 14,579.40 is: 20,123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,127.52 : 30,542.40 = 14,579.40 : x
  2. Step 2: Convert to fraction form
    22,127.52/30,542.40 = 14,579.40/x
  3. Step 3: Cross multiply
    22,127.52x = 30,542.40 × 14,579.40
  4. Step 4: Simplify right side
    22,127.52x = 445,289,866.56
  5. Step 5: Solve for x
    x = 445,289,866.56/22,127.52
  6. Step 6: Final answer
    x = 20,123.80

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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.