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Finding the Fourth Proportional to 35,398.28, 48,849.68 and 19,482.80

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Solution

The fourth proportional to 35,398.28, 48,849.68 and 19,482.80 is: 26,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,398.28 : 48,849.68 = 19,482.80 : x
  2. Step 2: Convert to fraction form
    35,398.28/48,849.68 = 19,482.80/x
  3. Step 3: Cross multiply
    35,398.28x = 48,849.68 × 19,482.80
  4. Step 4: Simplify right side
    35,398.28x = 951,728,349.96
  5. Step 5: Solve for x
    x = 951,728,349.96/35,398.28
  6. Step 6: Final answer
    x = 26,886.29

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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.