Home / 23,685.84-32,682.87-15,739.74

Finding the Fourth Proportional to 23,685.84, 32,682.87 and 15,739.74

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Solution

The fourth proportional to 23,685.84, 32,682.87 and 15,739.74 is: 21,718.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,685.84 : 32,682.87 = 15,739.74 : x
  2. Step 2: Convert to fraction form
    23,685.84/32,682.87 = 15,739.74/x
  3. Step 3: Cross multiply
    23,685.84x = 32,682.87 × 15,739.74
  4. Step 4: Simplify right side
    23,685.84x = 514,419,876.25
  5. Step 5: Solve for x
    x = 514,419,876.25/23,685.84
  6. Step 6: Final answer
    x = 21,718.46

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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.