Home / 15,655.80-23,488.56-14,001.78

Finding the Fourth Proportional to 15,655.80, 23,488.56 and 14,001.78

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Solution

The fourth proportional to 15,655.80, 23,488.56 and 14,001.78 is: 21,007.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.80 : 23,488.56 = 14,001.78 : x
  2. Step 2: Convert to fraction form
    15,655.80/23,488.56 = 14,001.78/x
  3. Step 3: Cross multiply
    15,655.80x = 23,488.56 × 14,001.78
  4. Step 4: Simplify right side
    15,655.80x = 328,881,649.64
  5. Step 5: Solve for x
    x = 328,881,649.64/15,655.80
  6. Step 6: Final answer
    x = 21,007.02

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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.