Home / 28,924.84-39,919.78-16,349.48

Finding the Fourth Proportional to 28,924.84, 39,919.78 and 16,349.48

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Solution

The fourth proportional to 28,924.84, 39,919.78 and 16,349.48 is: 22,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.84 : 39,919.78 = 16,349.48 : x
  2. Step 2: Convert to fraction form
    28,924.84/39,919.78 = 16,349.48/x
  3. Step 3: Cross multiply
    28,924.84x = 39,919.78 × 16,349.48
  4. Step 4: Simplify right side
    28,924.84x = 652,667,644.71
  5. Step 5: Solve for x
    x = 652,667,644.71/28,924.84
  6. Step 6: Final answer
    x = 22,564.26

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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.