Home / 26,856.76-40,279.05-10,210.87

Finding the Fourth Proportional to 26,856.76, 40,279.05 and 10,210.87

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Solution

The fourth proportional to 26,856.76, 40,279.05 and 10,210.87 is: 15,313.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,856.76 : 40,279.05 = 10,210.87 : x
  2. Step 2: Convert to fraction form
    26,856.76/40,279.05 = 10,210.87/x
  3. Step 3: Cross multiply
    26,856.76x = 40,279.05 × 10,210.87
  4. Step 4: Simplify right side
    26,856.76x = 411,284,143.27
  5. Step 5: Solve for x
    x = 411,284,143.27/26,856.76
  6. Step 6: Final answer
    x = 15,313.99

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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.