Home / 26,315.57-36,315.05-14,378.65

Finding the Fourth Proportional to 26,315.57, 36,315.05 and 14,378.65

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Solution

The fourth proportional to 26,315.57, 36,315.05 and 14,378.65 is: 19,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,315.57 : 36,315.05 = 14,378.65 : x
  2. Step 2: Convert to fraction form
    26,315.57/36,315.05 = 14,378.65/x
  3. Step 3: Cross multiply
    26,315.57x = 36,315.05 × 14,378.65
  4. Step 4: Simplify right side
    26,315.57x = 522,161,311.88
  5. Step 5: Solve for x
    x = 522,161,311.88/26,315.57
  6. Step 6: Final answer
    x = 19,842.30

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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.