Home / 23,429.32-35,228.28-21,602.78

Finding the Fourth Proportional to 23,429.32, 35,228.28 and 21,602.78

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Solution

The fourth proportional to 23,429.32, 35,228.28 and 21,602.78 is: 32,481.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,429.32 : 35,228.28 = 21,602.78 : x
  2. Step 2: Convert to fraction form
    23,429.32/35,228.28 = 21,602.78/x
  3. Step 3: Cross multiply
    23,429.32x = 35,228.28 × 21,602.78
  4. Step 4: Simplify right side
    23,429.32x = 761,028,782.62
  5. Step 5: Solve for x
    x = 761,028,782.62/23,429.32
  6. Step 6: Final answer
    x = 32,481.90

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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.