Home / 51,425.28-70,966.38-28,764.01

Finding the Fourth Proportional to 51,425.28, 70,966.38 and 28,764.01

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Solution

The fourth proportional to 51,425.28, 70,966.38 and 28,764.01 is: 39,694.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,425.28 : 70,966.38 = 28,764.01 : x
  2. Step 2: Convert to fraction form
    51,425.28/70,966.38 = 28,764.01/x
  3. Step 3: Cross multiply
    51,425.28x = 70,966.38 × 28,764.01
  4. Step 4: Simplify right side
    51,425.28x = 2,041,277,698.76
  5. Step 5: Solve for x
    x = 2,041,277,698.76/51,425.28
  6. Step 6: Final answer
    x = 39,694.05

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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.