Home / 23,682.31-32,681.85-13,071.95

Finding the Fourth Proportional to 23,682.31, 32,681.85 and 13,071.95

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Solution

The fourth proportional to 23,682.31, 32,681.85 and 13,071.95 is: 18,039.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,682.31 : 32,681.85 = 13,071.95 : x
  2. Step 2: Convert to fraction form
    23,682.31/32,681.85 = 13,071.95/x
  3. Step 3: Cross multiply
    23,682.31x = 32,681.85 × 13,071.95
  4. Step 4: Simplify right side
    23,682.31x = 427,215,509.11
  5. Step 5: Solve for x
    x = 427,215,509.11/23,682.31
  6. Step 6: Final answer
    x = 18,039.44

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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.