Home / 26,802.23-40,137.71-18,885.29

Finding the Fourth Proportional to 26,802.23, 40,137.71 and 18,885.29

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Solution

The fourth proportional to 26,802.23, 40,137.71 and 18,885.29 is: 28,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,802.23 : 40,137.71 = 18,885.29 : x
  2. Step 2: Convert to fraction form
    26,802.23/40,137.71 = 18,885.29/x
  3. Step 3: Cross multiply
    26,802.23x = 40,137.71 × 18,885.29
  4. Step 4: Simplify right side
    26,802.23x = 758,011,998.17
  5. Step 5: Solve for x
    x = 758,011,998.17/26,802.23
  6. Step 6: Final answer
    x = 28,281.68

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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.