Home / 28,737.84-39,657.96-16,162.32

Finding the Fourth Proportional to 28,737.84, 39,657.96 and 16,162.32

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Solution

The fourth proportional to 28,737.84, 39,657.96 and 16,162.32 is: 22,303.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.84 : 39,657.96 = 16,162.32 : x
  2. Step 2: Convert to fraction form
    28,737.84/39,657.96 = 16,162.32/x
  3. Step 3: Cross multiply
    28,737.84x = 39,657.96 × 16,162.32
  4. Step 4: Simplify right side
    28,737.84x = 640,964,640.07
  5. Step 5: Solve for x
    x = 640,964,640.07/28,737.84
  6. Step 6: Final answer
    x = 22,303.86

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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.