Home / 28,339.14-39,136.32-23,352.78

Finding the Fourth Proportional to 28,339.14, 39,136.32 and 23,352.78

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Solution

The fourth proportional to 28,339.14, 39,136.32 and 23,352.78 is: 32,250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,339.14 : 39,136.32 = 23,352.78 : x
  2. Step 2: Convert to fraction form
    28,339.14/39,136.32 = 23,352.78/x
  3. Step 3: Cross multiply
    28,339.14x = 39,136.32 × 23,352.78
  4. Step 4: Simplify right side
    28,339.14x = 913,941,870.97
  5. Step 5: Solve for x
    x = 913,941,870.97/28,339.14
  6. Step 6: Final answer
    x = 32,250.16

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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.