Home / 28,460.10-39,275.88-16,522.72

Finding the Fourth Proportional to 28,460.10, 39,275.88 and 16,522.72

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Solution

The fourth proportional to 28,460.10, 39,275.88 and 16,522.72 is: 22,801.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,460.10 : 39,275.88 = 16,522.72 : x
  2. Step 2: Convert to fraction form
    28,460.10/39,275.88 = 16,522.72/x
  3. Step 3: Cross multiply
    28,460.10x = 39,275.88 × 16,522.72
  4. Step 4: Simplify right side
    28,460.10x = 648,944,367.99
  5. Step 5: Solve for x
    x = 648,944,367.99/28,460.10
  6. Step 6: Final answer
    x = 22,801.90

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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.