Home / 27,801.11-38,365.61-15,054.45

Finding the Fourth Proportional to 27,801.11, 38,365.61 and 15,054.45

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Solution

The fourth proportional to 27,801.11, 38,365.61 and 15,054.45 is: 20,775.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,801.11 : 38,365.61 = 15,054.45 : x
  2. Step 2: Convert to fraction form
    27,801.11/38,365.61 = 15,054.45/x
  3. Step 3: Cross multiply
    27,801.11x = 38,365.61 × 15,054.45
  4. Step 4: Simplify right side
    27,801.11x = 577,573,157.46
  5. Step 5: Solve for x
    x = 577,573,157.46/27,801.11
  6. Step 6: Final answer
    x = 20,775.18

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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.