Home / 27,967.47-38,595.11-15,392.13

Finding the Fourth Proportional to 27,967.47, 38,595.11 and 15,392.13

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Solution

The fourth proportional to 27,967.47, 38,595.11 and 15,392.13 is: 21,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,967.47 : 38,595.11 = 15,392.13 : x
  2. Step 2: Convert to fraction form
    27,967.47/38,595.11 = 15,392.13/x
  3. Step 3: Cross multiply
    27,967.47x = 38,595.11 × 15,392.13
  4. Step 4: Simplify right side
    27,967.47x = 594,060,950.48
  5. Step 5: Solve for x
    x = 594,060,950.48/27,967.47
  6. Step 6: Final answer
    x = 21,241.14

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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.