Home / 25,775.36-38,677.60-10,982.72

Finding the Fourth Proportional to 25,775.36, 38,677.60 and 10,982.72

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Solution

The fourth proportional to 25,775.36, 38,677.60 and 10,982.72 is: 16,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,775.36 : 38,677.60 = 10,982.72 : x
  2. Step 2: Convert to fraction form
    25,775.36/38,677.60 = 10,982.72/x
  3. Step 3: Cross multiply
    25,775.36x = 38,677.60 × 10,982.72
  4. Step 4: Simplify right side
    25,775.36x = 424,785,251.07
  5. Step 5: Solve for x
    x = 424,785,251.07/25,775.36
  6. Step 6: Final answer
    x = 16,480.28

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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.