Home / 27,952.45-38,575.09-15,206.35

Finding the Fourth Proportional to 27,952.45, 38,575.09 and 15,206.35

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Solution

The fourth proportional to 27,952.45, 38,575.09 and 15,206.35 is: 20,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,952.45 : 38,575.09 = 15,206.35 : x
  2. Step 2: Convert to fraction form
    27,952.45/38,575.09 = 15,206.35/x
  3. Step 3: Cross multiply
    27,952.45x = 38,575.09 × 15,206.35
  4. Step 4: Simplify right side
    27,952.45x = 586,586,229.18
  5. Step 5: Solve for x
    x = 586,586,229.18/27,952.45
  6. Step 6: Final answer
    x = 20,985.15

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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.