Home / 21,426.58-32,083.98-17,243.74

Finding the Fourth Proportional to 21,426.58, 32,083.98 and 17,243.74

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Solution

The fourth proportional to 21,426.58, 32,083.98 and 17,243.74 is: 25,820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426.58 : 32,083.98 = 17,243.74 : x
  2. Step 2: Convert to fraction form
    21,426.58/32,083.98 = 17,243.74/x
  3. Step 3: Cross multiply
    21,426.58x = 32,083.98 × 17,243.74
  4. Step 4: Simplify right side
    21,426.58x = 553,247,809.29
  5. Step 5: Solve for x
    x = 553,247,809.29/21,426.58
  6. Step 6: Final answer
    x = 25,820.63

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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.