Home / 28,591.12-39,457.56-16,017.76

Finding the Fourth Proportional to 28,591.12, 39,457.56 and 16,017.76

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Solution

The fourth proportional to 28,591.12, 39,457.56 and 16,017.76 is: 22,105.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,591.12 : 39,457.56 = 16,017.76 : x
  2. Step 2: Convert to fraction form
    28,591.12/39,457.56 = 16,017.76/x
  3. Step 3: Cross multiply
    28,591.12x = 39,457.56 × 16,017.76
  4. Step 4: Simplify right side
    28,591.12x = 632,021,726.27
  5. Step 5: Solve for x
    x = 632,021,726.27/28,591.12
  6. Step 6: Final answer
    x = 22,105.53

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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.