Home / 19,037.80-28,561.50-15,373.32

Finding the Fourth Proportional to 19,037.80, 28,561.50 and 15,373.32

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Solution

The fourth proportional to 19,037.80, 28,561.50 and 15,373.32 is: 23,063.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,037.80 : 28,561.50 = 15,373.32 : x
  2. Step 2: Convert to fraction form
    19,037.80/28,561.50 = 15,373.32/x
  3. Step 3: Cross multiply
    19,037.80x = 28,561.50 × 15,373.32
  4. Step 4: Simplify right side
    19,037.80x = 439,085,079.18
  5. Step 5: Solve for x
    x = 439,085,079.18/19,037.80
  6. Step 6: Final answer
    x = 23,063.86

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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.