Home / 27,284.85-37,655.28-15,347.48

Finding the Fourth Proportional to 27,284.85, 37,655.28 and 15,347.48

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Solution

The fourth proportional to 27,284.85, 37,655.28 and 15,347.48 is: 21,180.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,284.85 : 37,655.28 = 15,347.48 : x
  2. Step 2: Convert to fraction form
    27,284.85/37,655.28 = 15,347.48/x
  3. Step 3: Cross multiply
    27,284.85x = 37,655.28 × 15,347.48
  4. Step 4: Simplify right side
    27,284.85x = 577,913,468.42
  5. Step 5: Solve for x
    x = 577,913,468.42/27,284.85
  6. Step 6: Final answer
    x = 21,180.75

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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.