Home / 21,768.77-32,651.27-15,417.39

Finding the Fourth Proportional to 21,768.77, 32,651.27 and 15,417.39

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Solution

The fourth proportional to 21,768.77, 32,651.27 and 15,417.39 is: 23,124.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,768.77 : 32,651.27 = 15,417.39 : x
  2. Step 2: Convert to fraction form
    21,768.77/32,651.27 = 15,417.39/x
  3. Step 3: Cross multiply
    21,768.77x = 32,651.27 × 15,417.39
  4. Step 4: Simplify right side
    21,768.77x = 503,397,283.09
  5. Step 5: Solve for x
    x = 503,397,283.09/21,768.77
  6. Step 6: Final answer
    x = 23,124.75

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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.