Home / 21,937.86-32,906.79-10,259.28

Finding the Fourth Proportional to 21,937.86, 32,906.79 and 10,259.28

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Solution

The fourth proportional to 21,937.86, 32,906.79 and 10,259.28 is: 15,388.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937.86 : 32,906.79 = 10,259.28 : x
  2. Step 2: Convert to fraction form
    21,937.86/32,906.79 = 10,259.28/x
  3. Step 3: Cross multiply
    21,937.86x = 32,906.79 × 10,259.28
  4. Step 4: Simplify right side
    21,937.86x = 337,599,972.51
  5. Step 5: Solve for x
    x = 337,599,972.51/21,937.86
  6. Step 6: Final answer
    x = 15,388.92

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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.