Home / 25,807.49-38,711.30-7,087.79

Finding the Fourth Proportional to 25,807.49, 38,711.30 and 7,087.79

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Solution

The fourth proportional to 25,807.49, 38,711.30 and 7,087.79 is: 10,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,807.49 : 38,711.30 = 7,087.79 : x
  2. Step 2: Convert to fraction form
    25,807.49/38,711.30 = 7,087.79/x
  3. Step 3: Cross multiply
    25,807.49x = 38,711.30 × 7,087.79
  4. Step 4: Simplify right side
    25,807.49x = 274,377,565.03
  5. Step 5: Solve for x
    x = 274,377,565.03/25,807.49
  6. Step 6: Final answer
    x = 10,631.70

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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.