Home / 28,560.49-39,401.06-17,223.68

Finding the Fourth Proportional to 28,560.49, 39,401.06 and 17,223.68

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Solution

The fourth proportional to 28,560.49, 39,401.06 and 17,223.68 is: 23,761.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,560.49 : 39,401.06 = 17,223.68 : x
  2. Step 2: Convert to fraction form
    28,560.49/39,401.06 = 17,223.68/x
  3. Step 3: Cross multiply
    28,560.49x = 39,401.06 × 17,223.68
  4. Step 4: Simplify right side
    28,560.49x = 678,631,249.10
  5. Step 5: Solve for x
    x = 678,631,249.10/28,560.49
  6. Step 6: Final answer
    x = 23,761.19

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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.