Home / 26,388.99-36,416.87-14,289.61

Finding the Fourth Proportional to 26,388.99, 36,416.87 and 14,289.61

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Solution

The fourth proportional to 26,388.99, 36,416.87 and 14,289.61 is: 19,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,388.99 : 36,416.87 = 14,289.61 : x
  2. Step 2: Convert to fraction form
    26,388.99/36,416.87 = 14,289.61/x
  3. Step 3: Cross multiply
    26,388.99x = 36,416.87 × 14,289.61
  4. Step 4: Simplify right side
    26,388.99x = 520,382,869.72
  5. Step 5: Solve for x
    x = 520,382,869.72/26,388.99
  6. Step 6: Final answer
    x = 19,719.70

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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.