Home / 28,131.77-38,803.55-18,044.24

Finding the Fourth Proportional to 28,131.77, 38,803.55 and 18,044.24

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Solution

The fourth proportional to 28,131.77, 38,803.55 and 18,044.24 is: 24,889.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,131.77 : 38,803.55 = 18,044.24 : x
  2. Step 2: Convert to fraction form
    28,131.77/38,803.55 = 18,044.24/x
  3. Step 3: Cross multiply
    28,131.77x = 38,803.55 × 18,044.24
  4. Step 4: Simplify right side
    28,131.77x = 700,180,284.81
  5. Step 5: Solve for x
    x = 700,180,284.81/28,131.77
  6. Step 6: Final answer
    x = 24,889.31

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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.