Home / 29,230.72-40,328.84-17,888.40

Finding the Fourth Proportional to 29,230.72, 40,328.84 and 17,888.40

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Solution

The fourth proportional to 29,230.72, 40,328.84 and 17,888.40 is: 24,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,230.72 : 40,328.84 = 17,888.40 : x
  2. Step 2: Convert to fraction form
    29,230.72/40,328.84 = 17,888.40/x
  3. Step 3: Cross multiply
    29,230.72x = 40,328.84 × 17,888.40
  4. Step 4: Simplify right side
    29,230.72x = 721,418,421.46
  5. Step 5: Solve for x
    x = 721,418,421.46/29,230.72
  6. Step 6: Final answer
    x = 24,680.15

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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.