Home / 26,619.62-39,955.86-14,139.76

Finding the Fourth Proportional to 26,619.62, 39,955.86 and 14,139.76

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Solution

The fourth proportional to 26,619.62, 39,955.86 and 14,139.76 is: 21,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.62 : 39,955.86 = 14,139.76 : x
  2. Step 2: Convert to fraction form
    26,619.62/39,955.86 = 14,139.76/x
  3. Step 3: Cross multiply
    26,619.62x = 39,955.86 × 14,139.76
  4. Step 4: Simplify right side
    26,619.62x = 564,966,270.99
  5. Step 5: Solve for x
    x = 564,966,270.99/26,619.62
  6. Step 6: Final answer
    x = 21,223.68

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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.