Home / 27,962.22-38,586.51-15,386.70

Finding the Fourth Proportional to 27,962.22, 38,586.51 and 15,386.70

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Solution

The fourth proportional to 27,962.22, 38,586.51 and 15,386.70 is: 21,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,962.22 : 38,586.51 = 15,386.70 : x
  2. Step 2: Convert to fraction form
    27,962.22/38,586.51 = 15,386.70/x
  3. Step 3: Cross multiply
    27,962.22x = 38,586.51 × 15,386.70
  4. Step 4: Simplify right side
    27,962.22x = 593,719,053.42
  5. Step 5: Solve for x
    x = 593,719,053.42/27,962.22
  6. Step 6: Final answer
    x = 21,232.90

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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.