Home / 27,967.50-38,595.16-15,391.98

Finding the Fourth Proportional to 27,967.50, 38,595.16 and 15,391.98

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Solution

The fourth proportional to 27,967.50, 38,595.16 and 15,391.98 is: 21,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,967.50 : 38,595.16 = 15,391.98 : x
  2. Step 2: Convert to fraction form
    27,967.50/38,595.16 = 15,391.98/x
  3. Step 3: Cross multiply
    27,967.50x = 38,595.16 × 15,391.98
  4. Step 4: Simplify right side
    27,967.50x = 594,055,930.82
  5. Step 5: Solve for x
    x = 594,055,930.82/27,967.50
  6. Step 6: Final answer
    x = 21,240.94

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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.