Home / 30,727.08-42,400.13-17,298.09

Finding the Fourth Proportional to 30,727.08, 42,400.13 and 17,298.09

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Solution

The fourth proportional to 30,727.08, 42,400.13 and 17,298.09 is: 23,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,727.08 : 42,400.13 = 17,298.09 : x
  2. Step 2: Convert to fraction form
    30,727.08/42,400.13 = 17,298.09/x
  3. Step 3: Cross multiply
    30,727.08x = 42,400.13 × 17,298.09
  4. Step 4: Simplify right side
    30,727.08x = 733,441,178.26
  5. Step 5: Solve for x
    x = 733,441,178.26/30,727.08
  6. Step 6: Final answer
    x = 23,869.54

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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.