Home / 28,044.63-38,701.53-15,469.38

Finding the Fourth Proportional to 28,044.63, 38,701.53 and 15,469.38

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Solution

The fourth proportional to 28,044.63, 38,701.53 and 15,469.38 is: 21,347.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,044.63 : 38,701.53 = 15,469.38 : x
  2. Step 2: Convert to fraction form
    28,044.63/38,701.53 = 15,469.38/x
  3. Step 3: Cross multiply
    28,044.63x = 38,701.53 × 15,469.38
  4. Step 4: Simplify right side
    28,044.63x = 598,688,674.15
  5. Step 5: Solve for x
    x = 598,688,674.15/28,044.63
  6. Step 6: Final answer
    x = 21,347.71

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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.