Home / 28,870.91-39,880.11-23,226.92

Finding the Fourth Proportional to 28,870.91, 39,880.11 and 23,226.92

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Solution

The fourth proportional to 28,870.91, 39,880.11 and 23,226.92 is: 32,083.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,870.91 : 39,880.11 = 23,226.92 : x
  2. Step 2: Convert to fraction form
    28,870.91/39,880.11 = 23,226.92/x
  3. Step 3: Cross multiply
    28,870.91x = 39,880.11 × 23,226.92
  4. Step 4: Simplify right side
    28,870.91x = 926,292,224.26
  5. Step 5: Solve for x
    x = 926,292,224.26/28,870.91
  6. Step 6: Final answer
    x = 32,083.93

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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.