Home / 27,940.74-38,558.61-15,365.76

Finding the Fourth Proportional to 27,940.74, 38,558.61 and 15,365.76

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Solution

The fourth proportional to 27,940.74, 38,558.61 and 15,365.76 is: 21,204.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.74 : 38,558.61 = 15,365.76 : x
  2. Step 2: Convert to fraction form
    27,940.74/38,558.61 = 15,365.76/x
  3. Step 3: Cross multiply
    27,940.74x = 38,558.61 × 15,365.76
  4. Step 4: Simplify right side
    27,940.74x = 592,482,347.19
  5. Step 5: Solve for x
    x = 592,482,347.19/27,940.74
  6. Step 6: Final answer
    x = 21,204.96

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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.