Home / 23,253.78-32,089.35-12,643.26

Finding the Fourth Proportional to 23,253.78, 32,089.35 and 12,643.26

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Solution

The fourth proportional to 23,253.78, 32,089.35 and 12,643.26 is: 17,447.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,253.78 : 32,089.35 = 12,643.26 : x
  2. Step 2: Convert to fraction form
    23,253.78/32,089.35 = 12,643.26/x
  3. Step 3: Cross multiply
    23,253.78x = 32,089.35 × 12,643.26
  4. Step 4: Simplify right side
    23,253.78x = 405,713,995.28
  5. Step 5: Solve for x
    x = 405,713,995.28/23,253.78
  6. Step 6: Final answer
    x = 17,447.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.