Home / 28,321.48-42,450.18-14,259.16

Finding the Fourth Proportional to 28,321.48, 42,450.18 and 14,259.16

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Solution

The fourth proportional to 28,321.48, 42,450.18 and 14,259.16 is: 21,372.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,321.48 : 42,450.18 = 14,259.16 : x
  2. Step 2: Convert to fraction form
    28,321.48/42,450.18 = 14,259.16/x
  3. Step 3: Cross multiply
    28,321.48x = 42,450.18 × 14,259.16
  4. Step 4: Simplify right side
    28,321.48x = 605,303,908.65
  5. Step 5: Solve for x
    x = 605,303,908.65/28,321.48
  6. Step 6: Final answer
    x = 21,372.61

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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.