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Finding the Fourth Proportional to 29,482, 40,719.72 and 19,528.72

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Solution

The fourth proportional to 29,482, 40,719.72 and 19,528.72 is: 26,972.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,482 : 40,719.72 = 19,528.72 : x
  2. Step 2: Convert to fraction form
    29,482/40,719.72 = 19,528.72/x
  3. Step 3: Cross multiply
    29,482x = 40,719.72 × 19,528.72
  4. Step 4: Simplify right side
    29,482x = 795,204,010.36
  5. Step 5: Solve for x
    x = 795,204,010.36/29,482
  6. Step 6: Final answer
    x = 26,972.53

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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.