Home / 19,401.68-26,772.26-13,026.98

Finding the Fourth Proportional to 19,401.68, 26,772.26 and 13,026.98

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Solution

The fourth proportional to 19,401.68, 26,772.26 and 13,026.98 is: 17,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.68 : 26,772.26 = 13,026.98 : x
  2. Step 2: Convert to fraction form
    19,401.68/26,772.26 = 13,026.98/x
  3. Step 3: Cross multiply
    19,401.68x = 26,772.26 × 13,026.98
  4. Step 4: Simplify right side
    19,401.68x = 348,761,695.57
  5. Step 5: Solve for x
    x = 348,761,695.57/19,401.68
  6. Step 6: Final answer
    x = 17,975.85

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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.