Home / 22,015.16-33,023.30-18,875.60

Finding the Fourth Proportional to 22,015.16, 33,023.30 and 18,875.60

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Solution

The fourth proportional to 22,015.16, 33,023.30 and 18,875.60 is: 28,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.16 : 33,023.30 = 18,875.60 : x
  2. Step 2: Convert to fraction form
    22,015.16/33,023.30 = 18,875.60/x
  3. Step 3: Cross multiply
    22,015.16x = 33,023.30 × 18,875.60
  4. Step 4: Simplify right side
    22,015.16x = 623,334,601.48
  5. Step 5: Solve for x
    x = 623,334,601.48/22,015.16
  6. Step 6: Final answer
    x = 28,313.88

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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.