Home / 21,647.49-32,465.27-7,415.75

Finding the Fourth Proportional to 21,647.49, 32,465.27 and 7,415.75

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Solution

The fourth proportional to 21,647.49, 32,465.27 and 7,415.75 is: 11,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647.49 : 32,465.27 = 7,415.75 : x
  2. Step 2: Convert to fraction form
    21,647.49/32,465.27 = 7,415.75/x
  3. Step 3: Cross multiply
    21,647.49x = 32,465.27 × 7,415.75
  4. Step 4: Simplify right side
    21,647.49x = 240,754,425.71
  5. Step 5: Solve for x
    x = 240,754,425.71/21,647.49
  6. Step 6: Final answer
    x = 11,121.59

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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.