Home / 43,276.88-64,922.04-15,581.36

Finding the Fourth Proportional to 43,276.88, 64,922.04 and 15,581.36

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Solution

The fourth proportional to 43,276.88, 64,922.04 and 15,581.36 is: 23,374.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,276.88 : 64,922.04 = 15,581.36 : x
  2. Step 2: Convert to fraction form
    43,276.88/64,922.04 = 15,581.36/x
  3. Step 3: Cross multiply
    43,276.88x = 64,922.04 × 15,581.36
  4. Step 4: Simplify right side
    43,276.88x = 1,011,573,677.17
  5. Step 5: Solve for x
    x = 1,011,573,677.17/43,276.88
  6. Step 6: Final answer
    x = 23,374.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.