Home / 28,045.67-38,702.68-16,109.10

Finding the Fourth Proportional to 28,045.67, 38,702.68 and 16,109.10

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Solution

The fourth proportional to 28,045.67, 38,702.68 and 16,109.10 is: 22,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,045.67 : 38,702.68 = 16,109.10 : x
  2. Step 2: Convert to fraction form
    28,045.67/38,702.68 = 16,109.10/x
  3. Step 3: Cross multiply
    28,045.67x = 38,702.68 × 16,109.10
  4. Step 4: Simplify right side
    28,045.67x = 623,465,302.12
  5. Step 5: Solve for x
    x = 623,465,302.12/28,045.67
  6. Step 6: Final answer
    x = 22,230.36

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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.