Home / 21,888.17-32,833.38-10,653.86

Finding the Fourth Proportional to 21,888.17, 32,833.38 and 10,653.86

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Solution

The fourth proportional to 21,888.17, 32,833.38 and 10,653.86 is: 15,981.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888.17 : 32,833.38 = 10,653.86 : x
  2. Step 2: Convert to fraction form
    21,888.17/32,833.38 = 10,653.86/x
  3. Step 3: Cross multiply
    21,888.17x = 32,833.38 × 10,653.86
  4. Step 4: Simplify right side
    21,888.17x = 349,802,069.68
  5. Step 5: Solve for x
    x = 349,802,069.68/21,888.17
  6. Step 6: Final answer
    x = 15,981.33

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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.