Home / 34,389.74-51,818.90-28,286.48

Finding the Fourth Proportional to 34,389.74, 51,818.90 and 28,286.48

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Solution

The fourth proportional to 34,389.74, 51,818.90 and 28,286.48 is: 42,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,389.74 : 51,818.90 = 28,286.48 : x
  2. Step 2: Convert to fraction form
    34,389.74/51,818.90 = 28,286.48/x
  3. Step 3: Cross multiply
    34,389.74x = 51,818.90 × 28,286.48
  4. Step 4: Simplify right side
    34,389.74x = 1,465,774,278.47
  5. Step 5: Solve for x
    x = 1,465,774,278.47/34,389.74
  6. Step 6: Final answer
    x = 42,622.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.