Home / 27,264.40-37,615.59-15,325.20

Finding the Fourth Proportional to 27,264.40, 37,615.59 and 15,325.20

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Solution

The fourth proportional to 27,264.40, 37,615.59 and 15,325.20 is: 21,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,264.40 : 37,615.59 = 15,325.20 : x
  2. Step 2: Convert to fraction form
    27,264.40/37,615.59 = 15,325.20/x
  3. Step 3: Cross multiply
    27,264.40x = 37,615.59 × 15,325.20
  4. Step 4: Simplify right side
    27,264.40x = 576,466,439.87
  5. Step 5: Solve for x
    x = 576,466,439.87/27,264.40
  6. Step 6: Final answer
    x = 21,143.56

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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.