Home / 28,405.58-42,608.41-15,341.03

Finding the Fourth Proportional to 28,405.58, 42,608.41 and 15,341.03

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Solution

The fourth proportional to 28,405.58, 42,608.41 and 15,341.03 is: 23,011.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405.58 : 42,608.41 = 15,341.03 : x
  2. Step 2: Convert to fraction form
    28,405.58/42,608.41 = 15,341.03/x
  3. Step 3: Cross multiply
    28,405.58x = 42,608.41 × 15,341.03
  4. Step 4: Simplify right side
    28,405.58x = 653,656,896.06
  5. Step 5: Solve for x
    x = 653,656,896.06/28,405.58
  6. Step 6: Final answer
    x = 23,011.57

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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.