Home / 25,320.35-34,964.60-15,776.66

Finding the Fourth Proportional to 25,320.35, 34,964.60 and 15,776.66

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Solution

The fourth proportional to 25,320.35, 34,964.60 and 15,776.66 is: 21,785.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,320.35 : 34,964.60 = 15,776.66 : x
  2. Step 2: Convert to fraction form
    25,320.35/34,964.60 = 15,776.66/x
  3. Step 3: Cross multiply
    25,320.35x = 34,964.60 × 15,776.66
  4. Step 4: Simplify right side
    25,320.35x = 551,624,614.76
  5. Step 5: Solve for x
    x = 551,624,614.76/25,320.35
  6. Step 6: Final answer
    x = 21,785.82

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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.