Home / 29,230.54-40,328.58-17,888.21

Finding the Fourth Proportional to 29,230.54, 40,328.58 and 17,888.21

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Solution

The fourth proportional to 29,230.54, 40,328.58 and 17,888.21 is: 24,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,230.54 : 40,328.58 = 17,888.21 : x
  2. Step 2: Convert to fraction form
    29,230.54/40,328.58 = 17,888.21/x
  3. Step 3: Cross multiply
    29,230.54x = 40,328.58 × 17,888.21
  4. Step 4: Simplify right side
    29,230.54x = 721,406,108.04
  5. Step 5: Solve for x
    x = 721,406,108.04/29,230.54
  6. Step 6: Final answer
    x = 24,679.88

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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.