Home / 21,435.59-32,265.17-19,398.02

Finding the Fourth Proportional to 21,435.59, 32,265.17 and 19,398.02

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Solution

The fourth proportional to 21,435.59, 32,265.17 and 19,398.02 is: 29,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,435.59 : 32,265.17 = 19,398.02 : x
  2. Step 2: Convert to fraction form
    21,435.59/32,265.17 = 19,398.02/x
  3. Step 3: Cross multiply
    21,435.59x = 32,265.17 × 19,398.02
  4. Step 4: Simplify right side
    21,435.59x = 625,880,412.96
  5. Step 5: Solve for x
    x = 625,880,412.96/21,435.59
  6. Step 6: Final answer
    x = 29,198.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.