Home / 28,567.80-42,852.24-11,927.88

Finding the Fourth Proportional to 28,567.80, 42,852.24 and 11,927.88

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Solution

The fourth proportional to 28,567.80, 42,852.24 and 11,927.88 is: 17,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,567.80 : 42,852.24 = 11,927.88 : x
  2. Step 2: Convert to fraction form
    28,567.80/42,852.24 = 11,927.88/x
  3. Step 3: Cross multiply
    28,567.80x = 42,852.24 × 11,927.88
  4. Step 4: Simplify right side
    28,567.80x = 511,136,376.45
  5. Step 5: Solve for x
    x = 511,136,376.45/28,567.80
  6. Step 6: Final answer
    x = 17,892.05

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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.