Home / 27,979.43-42,122.32-25,529.99

Finding the Fourth Proportional to 27,979.43, 42,122.32 and 25,529.99

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Solution

The fourth proportional to 27,979.43, 42,122.32 and 25,529.99 is: 38,434.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,979.43 : 42,122.32 = 25,529.99 : x
  2. Step 2: Convert to fraction form
    27,979.43/42,122.32 = 25,529.99/x
  3. Step 3: Cross multiply
    27,979.43x = 42,122.32 × 25,529.99
  4. Step 4: Simplify right side
    27,979.43x = 1,075,382,133.94
  5. Step 5: Solve for x
    x = 1,075,382,133.94/27,979.43
  6. Step 6: Final answer
    x = 38,434.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.