Home / 28,997.99-43,513.13-15,670.71

Finding the Fourth Proportional to 28,997.99, 43,513.13 and 15,670.71

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Solution

The fourth proportional to 28,997.99, 43,513.13 and 15,670.71 is: 23,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,997.99 : 43,513.13 = 15,670.71 : x
  2. Step 2: Convert to fraction form
    28,997.99/43,513.13 = 15,670.71/x
  3. Step 3: Cross multiply
    28,997.99x = 43,513.13 × 15,670.71
  4. Step 4: Simplify right side
    28,997.99x = 681,881,563.07
  5. Step 5: Solve for x
    x = 681,881,563.07/28,997.99
  6. Step 6: Final answer
    x = 23,514.79

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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.