Home / 21,800.24-30,075-17,065.52

Finding the Fourth Proportional to 21,800.24, 30,075 and 17,065.52

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Solution

The fourth proportional to 21,800.24, 30,075 and 17,065.52 is: 23,543.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,800.24 : 30,075 = 17,065.52 : x
  2. Step 2: Convert to fraction form
    21,800.24/30,075 = 17,065.52/x
  3. Step 3: Cross multiply
    21,800.24x = 30,075 × 17,065.52
  4. Step 4: Simplify right side
    21,800.24x = 513,245,514
  5. Step 5: Solve for x
    x = 513,245,514/21,800.24
  6. Step 6: Final answer
    x = 23,543.11

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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.