Home / 25,661.08-38,498.40-10,870.54

Finding the Fourth Proportional to 25,661.08, 38,498.40 and 10,870.54

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Solution

The fourth proportional to 25,661.08, 38,498.40 and 10,870.54 is: 16,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,661.08 : 38,498.40 = 10,870.54 : x
  2. Step 2: Convert to fraction form
    25,661.08/38,498.40 = 10,870.54/x
  3. Step 3: Cross multiply
    25,661.08x = 38,498.40 × 10,870.54
  4. Step 4: Simplify right side
    25,661.08x = 418,498,397.14
  5. Step 5: Solve for x
    x = 418,498,397.14/25,661.08
  6. Step 6: Final answer
    x = 16,308.68

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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.