Home / 26,898.75-40,354.61-8,430.75

Finding the Fourth Proportional to 26,898.75, 40,354.61 and 8,430.75

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Solution

The fourth proportional to 26,898.75, 40,354.61 and 8,430.75 is: 12,648.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,898.75 : 40,354.61 = 8,430.75 : x
  2. Step 2: Convert to fraction form
    26,898.75/40,354.61 = 8,430.75/x
  3. Step 3: Cross multiply
    26,898.75x = 40,354.61 × 8,430.75
  4. Step 4: Simplify right side
    26,898.75x = 340,219,586.10
  5. Step 5: Solve for x
    x = 340,219,586.10/26,898.75
  6. Step 6: Final answer
    x = 12,648.16

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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.