Home / 43,278.88-64,925.04-15,583.36

Finding the Fourth Proportional to 43,278.88, 64,925.04 and 15,583.36

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Solution

The fourth proportional to 43,278.88, 64,925.04 and 15,583.36 is: 23,377.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,278.88 : 64,925.04 = 15,583.36 : x
  2. Step 2: Convert to fraction form
    43,278.88/64,925.04 = 15,583.36/x
  3. Step 3: Cross multiply
    43,278.88x = 64,925.04 × 15,583.36
  4. Step 4: Simplify right side
    43,278.88x = 1,011,750,271.33
  5. Step 5: Solve for x
    x = 1,011,750,271.33/43,278.88
  6. Step 6: Final answer
    x = 23,377.46

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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.