Home / 28,102.93-38,959.61-26,604.81

Finding the Fourth Proportional to 28,102.93, 38,959.61 and 26,604.81

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Solution

The fourth proportional to 28,102.93, 38,959.61 and 26,604.81 is: 36,882.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,102.93 : 38,959.61 = 26,604.81 : x
  2. Step 2: Convert to fraction form
    28,102.93/38,959.61 = 26,604.81/x
  3. Step 3: Cross multiply
    28,102.93x = 38,959.61 × 26,604.81
  4. Step 4: Simplify right side
    28,102.93x = 1,036,513,021.72
  5. Step 5: Solve for x
    x = 1,036,513,021.72/28,102.93
  6. Step 6: Final answer
    x = 36,882.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.