Home / 28,862.79-39,830.27-16,116.19

Finding the Fourth Proportional to 28,862.79, 39,830.27 and 16,116.19

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Solution

The fourth proportional to 28,862.79, 39,830.27 and 16,116.19 is: 22,240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.79 : 39,830.27 = 16,116.19 : x
  2. Step 2: Convert to fraction form
    28,862.79/39,830.27 = 16,116.19/x
  3. Step 3: Cross multiply
    28,862.79x = 39,830.27 × 16,116.19
  4. Step 4: Simplify right side
    28,862.79x = 641,912,199.07
  5. Step 5: Solve for x
    x = 641,912,199.07/28,862.79
  6. Step 6: Final answer
    x = 22,240.13

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Double scale
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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.