Home / 28,692.38-39,599.19-16,117.13

Finding the Fourth Proportional to 28,692.38, 39,599.19 and 16,117.13

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Solution

The fourth proportional to 28,692.38, 39,599.19 and 16,117.13 is: 22,243.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.38 : 39,599.19 = 16,117.13 : x
  2. Step 2: Convert to fraction form
    28,692.38/39,599.19 = 16,117.13/x
  3. Step 3: Cross multiply
    28,692.38x = 39,599.19 × 16,117.13
  4. Step 4: Simplify right side
    28,692.38x = 638,225,095.13
  5. Step 5: Solve for x
    x = 638,225,095.13/28,692.38
  6. Step 6: Final answer
    x = 22,243.72

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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.