Home / 28,622.24-42,943.58-17,400.41

Finding the Fourth Proportional to 28,622.24, 42,943.58 and 17,400.41

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Solution

The fourth proportional to 28,622.24, 42,943.58 and 17,400.41 is: 26,106.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,622.24 : 42,943.58 = 17,400.41 : x
  2. Step 2: Convert to fraction form
    28,622.24/42,943.58 = 17,400.41/x
  3. Step 3: Cross multiply
    28,622.24x = 42,943.58 × 17,400.41
  4. Step 4: Simplify right side
    28,622.24x = 747,235,898.87
  5. Step 5: Solve for x
    x = 747,235,898.87/28,622.24
  6. Step 6: Final answer
    x = 26,106.83

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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.