Home / 27,318.60-40,983.75-15,477.99

Finding the Fourth Proportional to 27,318.60, 40,983.75 and 15,477.99

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Solution

The fourth proportional to 27,318.60, 40,983.75 and 15,477.99 is: 23,220.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.60 : 40,983.75 = 15,477.99 : x
  2. Step 2: Convert to fraction form
    27,318.60/40,983.75 = 15,477.99/x
  3. Step 3: Cross multiply
    27,318.60x = 40,983.75 × 15,477.99
  4. Step 4: Simplify right side
    27,318.60x = 634,346,072.66
  5. Step 5: Solve for x
    x = 634,346,072.66/27,318.60
  6. Step 6: Final answer
    x = 23,220.30

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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.