Home / 21,689.28-32,539.38-10,010.64

Finding the Fourth Proportional to 21,689.28, 32,539.38 and 10,010.64

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Solution

The fourth proportional to 21,689.28, 32,539.38 and 10,010.64 is: 15,018.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,689.28 : 32,539.38 = 10,010.64 : x
  2. Step 2: Convert to fraction form
    21,689.28/32,539.38 = 10,010.64/x
  3. Step 3: Cross multiply
    21,689.28x = 32,539.38 × 10,010.64
  4. Step 4: Simplify right side
    21,689.28x = 325,740,019.00
  5. Step 5: Solve for x
    x = 325,740,019.00/21,689.28
  6. Step 6: Final answer
    x = 15,018.48

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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.