Home / 28,479.98-42,699.44-17,384.06

Finding the Fourth Proportional to 28,479.98, 42,699.44 and 17,384.06

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Solution

The fourth proportional to 28,479.98, 42,699.44 and 17,384.06 is: 26,063.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,479.98 : 42,699.44 = 17,384.06 : x
  2. Step 2: Convert to fraction form
    28,479.98/42,699.44 = 17,384.06/x
  3. Step 3: Cross multiply
    28,479.98x = 42,699.44 × 17,384.06
  4. Step 4: Simplify right side
    28,479.98x = 742,289,626.93
  5. Step 5: Solve for x
    x = 742,289,626.93/28,479.98
  6. Step 6: Final answer
    x = 26,063.56

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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.