Home / 28,695.38-39,603.33-16,120.13

Finding the Fourth Proportional to 28,695.38, 39,603.33 and 16,120.13

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Solution

The fourth proportional to 28,695.38, 39,603.33 and 16,120.13 is: 22,247.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,695.38 : 39,603.33 = 16,120.13 : x
  2. Step 2: Convert to fraction form
    28,695.38/39,603.33 = 16,120.13/x
  3. Step 3: Cross multiply
    28,695.38x = 39,603.33 × 16,120.13
  4. Step 4: Simplify right side
    28,695.38x = 638,410,630.02
  5. Step 5: Solve for x
    x = 638,410,630.02/28,695.38
  6. Step 6: Final answer
    x = 22,247.86

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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.