Home / 21,875.28-32,825.66-9,224.26

Finding the Fourth Proportional to 21,875.28, 32,825.66 and 9,224.26

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Solution

The fourth proportional to 21,875.28, 32,825.66 and 9,224.26 is: 13,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,875.28 : 32,825.66 = 9,224.26 : x
  2. Step 2: Convert to fraction form
    21,875.28/32,825.66 = 9,224.26/x
  3. Step 3: Cross multiply
    21,875.28x = 32,825.66 × 9,224.26
  4. Step 4: Simplify right side
    21,875.28x = 302,792,422.51
  5. Step 5: Solve for x
    x = 302,792,422.51/21,875.28
  6. Step 6: Final answer
    x = 13,841.76

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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.