Home / 21,867.57-32,782.67-10,017.38

Finding the Fourth Proportional to 21,867.57, 32,782.67 and 10,017.38

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Solution

The fourth proportional to 21,867.57, 32,782.67 and 10,017.38 is: 15,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,867.57 : 32,782.67 = 10,017.38 : x
  2. Step 2: Convert to fraction form
    21,867.57/32,782.67 = 10,017.38/x
  3. Step 3: Cross multiply
    21,867.57x = 32,782.67 × 10,017.38
  4. Step 4: Simplify right side
    21,867.57x = 328,396,248.80
  5. Step 5: Solve for x
    x = 328,396,248.80/21,867.57
  6. Step 6: Final answer
    x = 15,017.50

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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.