Home / 28,869.36-43,274.28-11,095.20

Finding the Fourth Proportional to 28,869.36, 43,274.28 and 11,095.20

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Solution

The fourth proportional to 28,869.36, 43,274.28 and 11,095.20 is: 16,631.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869.36 : 43,274.28 = 11,095.20 : x
  2. Step 2: Convert to fraction form
    28,869.36/43,274.28 = 11,095.20/x
  3. Step 3: Cross multiply
    28,869.36x = 43,274.28 × 11,095.20
  4. Step 4: Simplify right side
    28,869.36x = 480,136,791.46
  5. Step 5: Solve for x
    x = 480,136,791.46/28,869.36
  6. Step 6: Final answer
    x = 16,631.36

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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.