Home / 28,983.96-40,001.06-16,239.22

Finding the Fourth Proportional to 28,983.96, 40,001.06 and 16,239.22

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Solution

The fourth proportional to 28,983.96, 40,001.06 and 16,239.22 is: 22,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,983.96 : 40,001.06 = 16,239.22 : x
  2. Step 2: Convert to fraction form
    28,983.96/40,001.06 = 16,239.22/x
  3. Step 3: Cross multiply
    28,983.96x = 40,001.06 × 16,239.22
  4. Step 4: Simplify right side
    28,983.96x = 649,585,954.17
  5. Step 5: Solve for x
    x = 649,585,954.17/28,983.96
  6. Step 6: Final answer
    x = 22,411.91

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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.