Home / 27,280.60-37,647.08-15,343.68

Finding the Fourth Proportional to 27,280.60, 37,647.08 and 15,343.68

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Solution

The fourth proportional to 27,280.60, 37,647.08 and 15,343.68 is: 21,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280.60 : 37,647.08 = 15,343.68 : x
  2. Step 2: Convert to fraction form
    27,280.60/37,647.08 = 15,343.68/x
  3. Step 3: Cross multiply
    27,280.60x = 37,647.08 × 15,343.68
  4. Step 4: Simplify right side
    27,280.60x = 577,644,658.69
  5. Step 5: Solve for x
    x = 577,644,658.69/27,280.60
  6. Step 6: Final answer
    x = 21,174.19

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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.