Home / 28,773.24-39,707.06-16,838.85

Finding the Fourth Proportional to 28,773.24, 39,707.06 and 16,838.85

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Solution

The fourth proportional to 28,773.24, 39,707.06 and 16,838.85 is: 23,237.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,773.24 : 39,707.06 = 16,838.85 : x
  2. Step 2: Convert to fraction form
    28,773.24/39,707.06 = 16,838.85/x
  3. Step 3: Cross multiply
    28,773.24x = 39,707.06 × 16,838.85
  4. Step 4: Simplify right side
    28,773.24x = 668,621,386.71
  5. Step 5: Solve for x
    x = 668,621,386.71/28,773.24
  6. Step 6: Final answer
    x = 23,237.61

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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.