Home / 27,335.55-37,745.42-17,280.21

Finding the Fourth Proportional to 27,335.55, 37,745.42 and 17,280.21

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Solution

The fourth proportional to 27,335.55, 37,745.42 and 17,280.21 is: 23,860.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,335.55 : 37,745.42 = 17,280.21 : x
  2. Step 2: Convert to fraction form
    27,335.55/37,745.42 = 17,280.21/x
  3. Step 3: Cross multiply
    27,335.55x = 37,745.42 × 17,280.21
  4. Step 4: Simplify right side
    27,335.55x = 652,248,697.74
  5. Step 5: Solve for x
    x = 652,248,697.74/27,335.55
  6. Step 6: Final answer
    x = 23,860.82

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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.