Home / 28,448.54-39,250.49-18,367.77

Finding the Fourth Proportional to 28,448.54, 39,250.49 and 18,367.77

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Solution

The fourth proportional to 28,448.54, 39,250.49 and 18,367.77 is: 25,342.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,448.54 : 39,250.49 = 18,367.77 : x
  2. Step 2: Convert to fraction form
    28,448.54/39,250.49 = 18,367.77/x
  3. Step 3: Cross multiply
    28,448.54x = 39,250.49 × 18,367.77
  4. Step 4: Simplify right side
    28,448.54x = 720,943,972.71
  5. Step 5: Solve for x
    x = 720,943,972.71/28,448.54
  6. Step 6: Final answer
    x = 25,342.04

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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.