Home / 26,756.21-40,140.39-14,269.65

Finding the Fourth Proportional to 26,756.21, 40,140.39 and 14,269.65

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Solution

The fourth proportional to 26,756.21, 40,140.39 and 14,269.65 is: 21,407.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,756.21 : 40,140.39 = 14,269.65 : x
  2. Step 2: Convert to fraction form
    26,756.21/40,140.39 = 14,269.65/x
  3. Step 3: Cross multiply
    26,756.21x = 40,140.39 × 14,269.65
  4. Step 4: Simplify right side
    26,756.21x = 572,789,316.16
  5. Step 5: Solve for x
    x = 572,789,316.16/26,756.21
  6. Step 6: Final answer
    x = 21,407.72

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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.