Home / 28,737.85-43,106.79-9,017.95

Finding the Fourth Proportional to 28,737.85, 43,106.79 and 9,017.95

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Solution

The fourth proportional to 28,737.85, 43,106.79 and 9,017.95 is: 13,526.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.85 : 43,106.79 = 9,017.95 : x
  2. Step 2: Convert to fraction form
    28,737.85/43,106.79 = 9,017.95/x
  3. Step 3: Cross multiply
    28,737.85x = 43,106.79 × 9,017.95
  4. Step 4: Simplify right side
    28,737.85x = 388,734,876.88
  5. Step 5: Solve for x
    x = 388,734,876.88/28,737.85
  6. Step 6: Final answer
    x = 13,526.93

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1.5x scale

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.