Home / 26,913.75-40,370.64-12,870.46

Finding the Fourth Proportional to 26,913.75, 40,370.64 and 12,870.46

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Solution

The fourth proportional to 26,913.75, 40,370.64 and 12,870.46 is: 19,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.75 : 40,370.64 = 12,870.46 : x
  2. Step 2: Convert to fraction form
    26,913.75/40,370.64 = 12,870.46/x
  3. Step 3: Cross multiply
    26,913.75x = 40,370.64 × 12,870.46
  4. Step 4: Simplify right side
    26,913.75x = 519,588,707.29
  5. Step 5: Solve for x
    x = 519,588,707.29/26,913.75
  6. Step 6: Final answer
    x = 19,305.70

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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.