Home / 27,275.03-40,917.13-13,953.79

Finding the Fourth Proportional to 27,275.03, 40,917.13 and 13,953.79

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Solution

The fourth proportional to 27,275.03, 40,917.13 and 13,953.79 is: 20,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,275.03 : 40,917.13 = 13,953.79 : x
  2. Step 2: Convert to fraction form
    27,275.03/40,917.13 = 13,953.79/x
  3. Step 3: Cross multiply
    27,275.03x = 40,917.13 × 13,953.79
  4. Step 4: Simplify right side
    27,275.03x = 570,948,904.02
  5. Step 5: Solve for x
    x = 570,948,904.02/27,275.03
  6. Step 6: Final answer
    x = 20,933.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.