Home / 30,727.15-42,402.99-17,298.36

Finding the Fourth Proportional to 30,727.15, 42,402.99 and 17,298.36

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Solution

The fourth proportional to 30,727.15, 42,402.99 and 17,298.36 is: 23,871.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,727.15 : 42,402.99 = 17,298.36 : x
  2. Step 2: Convert to fraction form
    30,727.15/42,402.99 = 17,298.36/x
  3. Step 3: Cross multiply
    30,727.15x = 42,402.99 × 17,298.36
  4. Step 4: Simplify right side
    30,727.15x = 733,502,250.97
  5. Step 5: Solve for x
    x = 733,502,250.97/30,727.15
  6. Step 6: Final answer
    x = 23,871.47

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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.