Home / 28,737.34-43,107.63-9,015.46

Finding the Fourth Proportional to 28,737.34, 43,107.63 and 9,015.46

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Solution

The fourth proportional to 28,737.34, 43,107.63 and 9,015.46 is: 13,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.34 : 43,107.63 = 9,015.46 : x
  2. Step 2: Convert to fraction form
    28,737.34/43,107.63 = 9,015.46/x
  3. Step 3: Cross multiply
    28,737.34x = 43,107.63 × 9,015.46
  4. Step 4: Simplify right side
    28,737.34x = 388,635,113.96
  5. Step 5: Solve for x
    x = 388,635,113.96/28,737.34
  6. Step 6: Final answer
    x = 13,523.70

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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.