Home / 28,529.10-39,368.16-16,591.62

Finding the Fourth Proportional to 28,529.10, 39,368.16 and 16,591.62

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Solution

The fourth proportional to 28,529.10, 39,368.16 and 16,591.62 is: 22,895.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.10 : 39,368.16 = 16,591.62 : x
  2. Step 2: Convert to fraction form
    28,529.10/39,368.16 = 16,591.62/x
  3. Step 3: Cross multiply
    28,529.10x = 39,368.16 × 16,591.62
  4. Step 4: Simplify right side
    28,529.10x = 653,181,550.82
  5. Step 5: Solve for x
    x = 653,181,550.82/28,529.10
  6. Step 6: Final answer
    x = 22,895.27

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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.