Home / 26,120.31-36,070.64-18,184.24

Finding the Fourth Proportional to 26,120.31, 36,070.64 and 18,184.24

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Solution

The fourth proportional to 26,120.31, 36,070.64 and 18,184.24 is: 25,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,120.31 : 36,070.64 = 18,184.24 : x
  2. Step 2: Convert to fraction form
    26,120.31/36,070.64 = 18,184.24/x
  3. Step 3: Cross multiply
    26,120.31x = 36,070.64 × 18,184.24
  4. Step 4: Simplify right side
    26,120.31x = 655,917,174.71
  5. Step 5: Solve for x
    x = 655,917,174.71/26,120.31
  6. Step 6: Final answer
    x = 25,111.39

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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.