Home / 21,465.97-32,042.60-19,883.06

Finding the Fourth Proportional to 21,465.97, 32,042.60 and 19,883.06

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Solution

The fourth proportional to 21,465.97, 32,042.60 and 19,883.06 is: 29,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,465.97 : 32,042.60 = 19,883.06 : x
  2. Step 2: Convert to fraction form
    21,465.97/32,042.60 = 19,883.06/x
  3. Step 3: Cross multiply
    21,465.97x = 32,042.60 × 19,883.06
  4. Step 4: Simplify right side
    21,465.97x = 637,104,988.06
  5. Step 5: Solve for x
    x = 637,104,988.06/21,465.97
  6. Step 6: Final answer
    x = 29,679.76

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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.