Home / 32,772.60-45,226.01-18,628.18

Finding the Fourth Proportional to 32,772.60, 45,226.01 and 18,628.18

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Solution

The fourth proportional to 32,772.60, 45,226.01 and 18,628.18 is: 25,706.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,772.60 : 45,226.01 = 18,628.18 : x
  2. Step 2: Convert to fraction form
    32,772.60/45,226.01 = 18,628.18/x
  3. Step 3: Cross multiply
    32,772.60x = 45,226.01 × 18,628.18
  4. Step 4: Simplify right side
    32,772.60x = 842,478,188.47
  5. Step 5: Solve for x
    x = 842,478,188.47/32,772.60
  6. Step 6: Final answer
    x = 25,706.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.