Home / 26,068.40-39,102.54-18,311.84

Finding the Fourth Proportional to 26,068.40, 39,102.54 and 18,311.84

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Solution

The fourth proportional to 26,068.40, 39,102.54 and 18,311.84 is: 27,467.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,068.40 : 39,102.54 = 18,311.84 : x
  2. Step 2: Convert to fraction form
    26,068.40/39,102.54 = 18,311.84/x
  3. Step 3: Cross multiply
    26,068.40x = 39,102.54 × 18,311.84
  4. Step 4: Simplify right side
    26,068.40x = 716,039,456.07
  5. Step 5: Solve for x
    x = 716,039,456.07/26,068.40
  6. Step 6: Final answer
    x = 27,467.72

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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.