Home / 28,449.90-39,254.58-16,506.32

Finding the Fourth Proportional to 28,449.90, 39,254.58 and 16,506.32

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Solution

The fourth proportional to 28,449.90, 39,254.58 and 16,506.32 is: 22,775.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,449.90 : 39,254.58 = 16,506.32 : x
  2. Step 2: Convert to fraction form
    28,449.90/39,254.58 = 16,506.32/x
  3. Step 3: Cross multiply
    28,449.90x = 39,254.58 × 16,506.32
  4. Step 4: Simplify right side
    28,449.90x = 647,948,658.95
  5. Step 5: Solve for x
    x = 647,948,658.95/28,449.90
  6. Step 6: Final answer
    x = 22,775.08

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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.