Home / 27,337.45-37,725.68-15,400.78

Finding the Fourth Proportional to 27,337.45, 37,725.68 and 15,400.78

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Solution

The fourth proportional to 27,337.45, 37,725.68 and 15,400.78 is: 21,253.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,337.45 : 37,725.68 = 15,400.78 : x
  2. Step 2: Convert to fraction form
    27,337.45/37,725.68 = 15,400.78/x
  3. Step 3: Cross multiply
    27,337.45x = 37,725.68 × 15,400.78
  4. Step 4: Simplify right side
    27,337.45x = 581,005,054.43
  5. Step 5: Solve for x
    x = 581,005,054.43/27,337.45
  6. Step 6: Final answer
    x = 21,253.08

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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.