Home / 28,186.29-38,898.90-16,250.40

Finding the Fourth Proportional to 28,186.29, 38,898.90 and 16,250.40

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Solution

The fourth proportional to 28,186.29, 38,898.90 and 16,250.40 is: 22,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186.29 : 38,898.90 = 16,250.40 : x
  2. Step 2: Convert to fraction form
    28,186.29/38,898.90 = 16,250.40/x
  3. Step 3: Cross multiply
    28,186.29x = 38,898.90 × 16,250.40
  4. Step 4: Simplify right side
    28,186.29x = 632,122,684.56
  5. Step 5: Solve for x
    x = 632,122,684.56/28,186.29
  6. Step 6: Final answer
    x = 22,426.60

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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.