Home / 28,827.66-39,780.65-16,082.18

Finding the Fourth Proportional to 28,827.66, 39,780.65 and 16,082.18

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Solution

The fourth proportional to 28,827.66, 39,780.65 and 16,082.18 is: 22,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827.66 : 39,780.65 = 16,082.18 : x
  2. Step 2: Convert to fraction form
    28,827.66/39,780.65 = 16,082.18/x
  3. Step 3: Cross multiply
    28,827.66x = 39,780.65 × 16,082.18
  4. Step 4: Simplify right side
    28,827.66x = 639,759,415.12
  5. Step 5: Solve for x
    x = 639,759,415.12/28,827.66
  6. Step 6: Final answer
    x = 22,192.55

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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.