Home / 21,904.15-32,856.21-5,264.18

Finding the Fourth Proportional to 21,904.15, 32,856.21 and 5,264.18

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Solution

The fourth proportional to 21,904.15, 32,856.21 and 5,264.18 is: 7,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904.15 : 32,856.21 = 5,264.18 : x
  2. Step 2: Convert to fraction form
    21,904.15/32,856.21 = 5,264.18/x
  3. Step 3: Cross multiply
    21,904.15x = 32,856.21 × 5,264.18
  4. Step 4: Simplify right side
    21,904.15x = 172,960,839.28
  5. Step 5: Solve for x
    x = 172,960,839.28/21,904.15
  6. Step 6: Final answer
    x = 7,896.26

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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.