Home / 38,727.60-53,401.39-26,770.18

Finding the Fourth Proportional to 38,727.60, 53,401.39 and 26,770.18

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Solution

The fourth proportional to 38,727.60, 53,401.39 and 26,770.18 is: 36,913.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,727.60 : 53,401.39 = 26,770.18 : x
  2. Step 2: Convert to fraction form
    38,727.60/53,401.39 = 26,770.18/x
  3. Step 3: Cross multiply
    38,727.60x = 53,401.39 × 26,770.18
  4. Step 4: Simplify right side
    38,727.60x = 1,429,564,822.55
  5. Step 5: Solve for x
    x = 1,429,564,822.55/38,727.60
  6. Step 6: Final answer
    x = 36,913.33

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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.