Home / 22,151.87-30,605.49-19,740.69

Finding the Fourth Proportional to 22,151.87, 30,605.49 and 19,740.69

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Solution

The fourth proportional to 22,151.87, 30,605.49 and 19,740.69 is: 27,274.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.87 : 30,605.49 = 19,740.69 : x
  2. Step 2: Convert to fraction form
    22,151.87/30,605.49 = 19,740.69/x
  3. Step 3: Cross multiply
    22,151.87x = 30,605.49 × 19,740.69
  4. Step 4: Simplify right side
    22,151.87x = 604,173,490.39
  5. Step 5: Solve for x
    x = 604,173,490.39/22,151.87
  6. Step 6: Final answer
    x = 27,274.16

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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.