Home / 28,191.90-38,895.98-16,253.62

Finding the Fourth Proportional to 28,191.90, 38,895.98 and 16,253.62

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Solution

The fourth proportional to 28,191.90, 38,895.98 and 16,253.62 is: 22,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,191.90 : 38,895.98 = 16,253.62 : x
  2. Step 2: Convert to fraction form
    28,191.90/38,895.98 = 16,253.62/x
  3. Step 3: Cross multiply
    28,191.90x = 38,895.98 × 16,253.62
  4. Step 4: Simplify right side
    28,191.90x = 632,200,478.45
  5. Step 5: Solve for x
    x = 632,200,478.45/28,191.90
  6. Step 6: Final answer
    x = 22,424.90

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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.