Home / 35,217-52,825.80-8,921.76

Finding the Fourth Proportional to 35,217, 52,825.80 and 8,921.76

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Solution

The fourth proportional to 35,217, 52,825.80 and 8,921.76 is: 13,382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,217 : 52,825.80 = 8,921.76 : x
  2. Step 2: Convert to fraction form
    35,217/52,825.80 = 8,921.76/x
  3. Step 3: Cross multiply
    35,217x = 52,825.80 × 8,921.76
  4. Step 4: Simplify right side
    35,217x = 471,299,109.41
  5. Step 5: Solve for x
    x = 471,299,109.41/35,217
  6. Step 6: Final answer
    x = 13,382.72

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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.