Home / 25,800.85-38,702.13-9,160.66

Finding the Fourth Proportional to 25,800.85, 38,702.13 and 9,160.66

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Solution

The fourth proportional to 25,800.85, 38,702.13 and 9,160.66 is: 13,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800.85 : 38,702.13 = 9,160.66 : x
  2. Step 2: Convert to fraction form
    25,800.85/38,702.13 = 9,160.66/x
  3. Step 3: Cross multiply
    25,800.85x = 38,702.13 × 9,160.66
  4. Step 4: Simplify right side
    25,800.85x = 354,537,054.21
  5. Step 5: Solve for x
    x = 354,537,054.21/25,800.85
  6. Step 6: Final answer
    x = 13,741.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.