Home / 28,907.18-39,893.76-16,160.41

Finding the Fourth Proportional to 28,907.18, 39,893.76 and 16,160.41

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Solution

The fourth proportional to 28,907.18, 39,893.76 and 16,160.41 is: 22,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907.18 : 39,893.76 = 16,160.41 : x
  2. Step 2: Convert to fraction form
    28,907.18/39,893.76 = 16,160.41/x
  3. Step 3: Cross multiply
    28,907.18x = 39,893.76 × 16,160.41
  4. Step 4: Simplify right side
    28,907.18x = 644,699,522.46
  5. Step 5: Solve for x
    x = 644,699,522.46/28,907.18
  6. Step 6: Final answer
    x = 22,302.40

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1.5x scale

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.