Home / 21,588.07-32,335.23-10,471.40

Finding the Fourth Proportional to 21,588.07, 32,335.23 and 10,471.40

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Solution

The fourth proportional to 21,588.07, 32,335.23 and 10,471.40 is: 15,684.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.07 : 32,335.23 = 10,471.40 : x
  2. Step 2: Convert to fraction form
    21,588.07/32,335.23 = 10,471.40/x
  3. Step 3: Cross multiply
    21,588.07x = 32,335.23 × 10,471.40
  4. Step 4: Simplify right side
    21,588.07x = 338,594,965.75
  5. Step 5: Solve for x
    x = 338,594,965.75/21,588.07
  6. Step 6: Final answer
    x = 15,684.36

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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.