Home / 28,011.52-41,995.06-13,964.00

Finding the Fourth Proportional to 28,011.52, 41,995.06 and 13,964.00

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Solution

The fourth proportional to 28,011.52, 41,995.06 and 13,964.00 is: 20,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011.52 : 41,995.06 = 13,964.00 : x
  2. Step 2: Convert to fraction form
    28,011.52/41,995.06 = 13,964.00/x
  3. Step 3: Cross multiply
    28,011.52x = 41,995.06 × 13,964.00
  4. Step 4: Simplify right side
    28,011.52x = 586,418,772.95
  5. Step 5: Solve for x
    x = 586,418,772.95/28,011.52
  6. Step 6: Final answer
    x = 20,934.91

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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.