Home / 28,803.40-39,747.31-16,057.98

Finding the Fourth Proportional to 28,803.40, 39,747.31 and 16,057.98

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Solution

The fourth proportional to 28,803.40, 39,747.31 and 16,057.98 is: 22,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,803.40 : 39,747.31 = 16,057.98 : x
  2. Step 2: Convert to fraction form
    28,803.40/39,747.31 = 16,057.98/x
  3. Step 3: Cross multiply
    28,803.40x = 39,747.31 × 16,057.98
  4. Step 4: Simplify right side
    28,803.40x = 638,261,468.89
  5. Step 5: Solve for x
    x = 638,261,468.89/28,803.40
  6. Step 6: Final answer
    x = 22,159.24

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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.