Home / 19,346.80-28,943.64-15,568.16

Finding the Fourth Proportional to 19,346.80, 28,943.64 and 15,568.16

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Solution

The fourth proportional to 19,346.80, 28,943.64 and 15,568.16 is: 23,290.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.80 : 28,943.64 = 15,568.16 : x
  2. Step 2: Convert to fraction form
    19,346.80/28,943.64 = 15,568.16/x
  3. Step 3: Cross multiply
    19,346.80x = 28,943.64 × 15,568.16
  4. Step 4: Simplify right side
    19,346.80x = 450,599,218.50
  5. Step 5: Solve for x
    x = 450,599,218.50/19,346.80
  6. Step 6: Final answer
    x = 23,290.63

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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.