Home / 29,689.12-40,971.72-16,260.94

Finding the Fourth Proportional to 29,689.12, 40,971.72 and 16,260.94

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Solution

The fourth proportional to 29,689.12, 40,971.72 and 16,260.94 is: 22,440.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,689.12 : 40,971.72 = 16,260.94 : x
  2. Step 2: Convert to fraction form
    29,689.12/40,971.72 = 16,260.94/x
  3. Step 3: Cross multiply
    29,689.12x = 40,971.72 × 16,260.94
  4. Step 4: Simplify right side
    29,689.12x = 666,238,680.62
  5. Step 5: Solve for x
    x = 666,238,680.62/29,689.12
  6. Step 6: Final answer
    x = 22,440.50

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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.