Home / 28,895.64-39,871.98-16,147.26

Finding the Fourth Proportional to 28,895.64, 39,871.98 and 16,147.26

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Solution

The fourth proportional to 28,895.64, 39,871.98 and 16,147.26 is: 22,280.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.64 : 39,871.98 = 16,147.26 : x
  2. Step 2: Convert to fraction form
    28,895.64/39,871.98 = 16,147.26/x
  3. Step 3: Cross multiply
    28,895.64x = 39,871.98 × 16,147.26
  4. Step 4: Simplify right side
    28,895.64x = 643,823,227.77
  5. Step 5: Solve for x
    x = 643,823,227.77/28,895.64
  6. Step 6: Final answer
    x = 22,280.98

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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.