Home / 27,031.68-37,299.84-15,851.52

Finding the Fourth Proportional to 27,031.68, 37,299.84 and 15,851.52

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Solution

The fourth proportional to 27,031.68, 37,299.84 and 15,851.52 is: 21,872.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,031.68 : 37,299.84 = 15,851.52 : x
  2. Step 2: Convert to fraction form
    27,031.68/37,299.84 = 15,851.52/x
  3. Step 3: Cross multiply
    27,031.68x = 37,299.84 × 15,851.52
  4. Step 4: Simplify right side
    27,031.68x = 591,259,159.76
  5. Step 5: Solve for x
    x = 591,259,159.76/27,031.68
  6. Step 6: Final answer
    x = 21,872.82

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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.