Home / 28,294.60-39,044.26-16,358.70

Finding the Fourth Proportional to 28,294.60, 39,044.26 and 16,358.70

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Solution

The fourth proportional to 28,294.60, 39,044.26 and 16,358.70 is: 22,573.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,294.60 : 39,044.26 = 16,358.70 : x
  2. Step 2: Convert to fraction form
    28,294.60/39,044.26 = 16,358.70/x
  3. Step 3: Cross multiply
    28,294.60x = 39,044.26 × 16,358.70
  4. Step 4: Simplify right side
    28,294.60x = 638,713,427.40
  5. Step 5: Solve for x
    x = 638,713,427.40/28,294.60
  6. Step 6: Final answer
    x = 22,573.69

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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.