Home / 70,018.11-105,026.63-17,427.24

Finding the Fourth Proportional to 70,018.11, 105,026.63 and 17,427.24

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Solution

The fourth proportional to 70,018.11, 105,026.63 and 17,427.24 is: 26,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,018.11 : 105,026.63 = 17,427.24 : x
  2. Step 2: Convert to fraction form
    70,018.11/105,026.63 = 17,427.24/x
  3. Step 3: Cross multiply
    70,018.11x = 105,026.63 × 17,427.24
  4. Step 4: Simplify right side
    70,018.11x = 1,830,324,200.27
  5. Step 5: Solve for x
    x = 1,830,324,200.27/70,018.11
  6. Step 6: Final answer
    x = 26,140.73

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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.