Home / 23,456.64-35,101.85-20,688.72

Finding the Fourth Proportional to 23,456.64, 35,101.85 and 20,688.72

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Solution

The fourth proportional to 23,456.64, 35,101.85 and 20,688.72 is: 30,959.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,456.64 : 35,101.85 = 20,688.72 : x
  2. Step 2: Convert to fraction form
    23,456.64/35,101.85 = 20,688.72/x
  3. Step 3: Cross multiply
    23,456.64x = 35,101.85 × 20,688.72
  4. Step 4: Simplify right side
    23,456.64x = 726,212,242.69
  5. Step 5: Solve for x
    x = 726,212,242.69/23,456.64
  6. Step 6: Final answer
    x = 30,959.77

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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.