Home / 28,280.90-39,026.13-16,950.85

Finding the Fourth Proportional to 28,280.90, 39,026.13 and 16,950.85

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Solution

The fourth proportional to 28,280.90, 39,026.13 and 16,950.85 is: 23,391.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,280.90 : 39,026.13 = 16,950.85 : x
  2. Step 2: Convert to fraction form
    28,280.90/39,026.13 = 16,950.85/x
  3. Step 3: Cross multiply
    28,280.90x = 39,026.13 × 16,950.85
  4. Step 4: Simplify right side
    28,280.90x = 661,526,075.71
  5. Step 5: Solve for x
    x = 661,526,075.71/28,280.90
  6. Step 6: Final answer
    x = 23,391.27

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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.