Home / 28,710.22-39,639.43-25,675.91

Finding the Fourth Proportional to 28,710.22, 39,639.43 and 25,675.91

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Solution

The fourth proportional to 28,710.22, 39,639.43 and 25,675.91 is: 35,450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,710.22 : 39,639.43 = 25,675.91 : x
  2. Step 2: Convert to fraction form
    28,710.22/39,639.43 = 25,675.91/x
  3. Step 3: Cross multiply
    28,710.22x = 39,639.43 × 25,675.91
  4. Step 4: Simplify right side
    28,710.22x = 1,017,778,437.13
  5. Step 5: Solve for x
    x = 1,017,778,437.13/28,710.22
  6. Step 6: Final answer
    x = 35,450.04

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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.