Home / 27,180.03-37,499.47-16,420.87

Finding the Fourth Proportional to 27,180.03, 37,499.47 and 16,420.87

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Solution

The fourth proportional to 27,180.03, 37,499.47 and 16,420.87 is: 22,655.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,180.03 : 37,499.47 = 16,420.87 : x
  2. Step 2: Convert to fraction form
    27,180.03/37,499.47 = 16,420.87/x
  3. Step 3: Cross multiply
    27,180.03x = 37,499.47 × 16,420.87
  4. Step 4: Simplify right side
    27,180.03x = 615,773,921.94
  5. Step 5: Solve for x
    x = 615,773,921.94/27,180.03
  6. Step 6: Final answer
    x = 22,655.38

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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.