Home / 28,810.57-39,758.61-16,064.92

Finding the Fourth Proportional to 28,810.57, 39,758.61 and 16,064.92

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Solution

The fourth proportional to 28,810.57, 39,758.61 and 16,064.92 is: 22,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810.57 : 39,758.61 = 16,064.92 : x
  2. Step 2: Convert to fraction form
    28,810.57/39,758.61 = 16,064.92/x
  3. Step 3: Cross multiply
    28,810.57x = 39,758.61 × 16,064.92
  4. Step 4: Simplify right side
    28,810.57x = 638,718,888.96
  5. Step 5: Solve for x
    x = 638,718,888.96/28,810.57
  6. Step 6: Final answer
    x = 22,169.60

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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.