Home / 25,756.36-38,622.63-11,715.82

Finding the Fourth Proportional to 25,756.36, 38,622.63 and 11,715.82

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Solution

The fourth proportional to 25,756.36, 38,622.63 and 11,715.82 is: 17,568.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,756.36 : 38,622.63 = 11,715.82 : x
  2. Step 2: Convert to fraction form
    25,756.36/38,622.63 = 11,715.82/x
  3. Step 3: Cross multiply
    25,756.36x = 38,622.63 × 11,715.82
  4. Step 4: Simplify right side
    25,756.36x = 452,495,781.01
  5. Step 5: Solve for x
    x = 452,495,781.01/25,756.36
  6. Step 6: Final answer
    x = 17,568.31

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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.