Home / 38,398.85-52,975.77-28,351.40

Finding the Fourth Proportional to 38,398.85, 52,975.77 and 28,351.40

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Solution

The fourth proportional to 38,398.85, 52,975.77 and 28,351.40 is: 39,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,398.85 : 52,975.77 = 28,351.40 : x
  2. Step 2: Convert to fraction form
    38,398.85/52,975.77 = 28,351.40/x
  3. Step 3: Cross multiply
    38,398.85x = 52,975.77 × 28,351.40
  4. Step 4: Simplify right side
    38,398.85x = 1,501,936,980.70
  5. Step 5: Solve for x
    x = 1,501,936,980.70/38,398.85
  6. Step 6: Final answer
    x = 39,114.12

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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.