Home / 28,791.16-39,731.64-16,044.40

Finding the Fourth Proportional to 28,791.16, 39,731.64 and 16,044.40

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Solution

The fourth proportional to 28,791.16, 39,731.64 and 16,044.40 is: 22,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,791.16 : 39,731.64 = 16,044.40 : x
  2. Step 2: Convert to fraction form
    28,791.16/39,731.64 = 16,044.40/x
  3. Step 3: Cross multiply
    28,791.16x = 39,731.64 × 16,044.40
  4. Step 4: Simplify right side
    28,791.16x = 637,470,324.82
  5. Step 5: Solve for x
    x = 637,470,324.82/28,791.16
  6. Step 6: Final answer
    x = 22,141.18

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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.