Home / 22,984.68-31,720.44-15,443.64

Finding the Fourth Proportional to 22,984.68, 31,720.44 and 15,443.64

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Solution

The fourth proportional to 22,984.68, 31,720.44 and 15,443.64 is: 21,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,984.68 : 31,720.44 = 15,443.64 : x
  2. Step 2: Convert to fraction form
    22,984.68/31,720.44 = 15,443.64/x
  3. Step 3: Cross multiply
    22,984.68x = 31,720.44 × 15,443.64
  4. Step 4: Simplify right side
    22,984.68x = 489,879,056.00
  5. Step 5: Solve for x
    x = 489,879,056.00/22,984.68
  6. Step 6: Final answer
    x = 21,313.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.