Home / 28,020.24-41,988.96-15,525.12

Finding the Fourth Proportional to 28,020.24, 41,988.96 and 15,525.12

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Solution

The fourth proportional to 28,020.24, 41,988.96 and 15,525.12 is: 23,264.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,020.24 : 41,988.96 = 15,525.12 : x
  2. Step 2: Convert to fraction form
    28,020.24/41,988.96 = 15,525.12/x
  3. Step 3: Cross multiply
    28,020.24x = 41,988.96 × 15,525.12
  4. Step 4: Simplify right side
    28,020.24x = 651,883,642.68
  5. Step 5: Solve for x
    x = 651,883,642.68/28,020.24
  6. Step 6: Final answer
    x = 23,264.74

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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.