Home / 21,585.34-32,226.60-18,264.75

Finding the Fourth Proportional to 21,585.34, 32,226.60 and 18,264.75

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Solution

The fourth proportional to 21,585.34, 32,226.60 and 18,264.75 is: 27,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585.34 : 32,226.60 = 18,264.75 : x
  2. Step 2: Convert to fraction form
    21,585.34/32,226.60 = 18,264.75/x
  3. Step 3: Cross multiply
    21,585.34x = 32,226.60 × 18,264.75
  4. Step 4: Simplify right side
    21,585.34x = 588,610,792.35
  5. Step 5: Solve for x
    x = 588,610,792.35/21,585.34
  6. Step 6: Final answer
    x = 27,269.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.