Home / 25,295.60-34,936.13-19,697.69

Finding the Fourth Proportional to 25,295.60, 34,936.13 and 19,697.69

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Solution

The fourth proportional to 25,295.60, 34,936.13 and 19,697.69 is: 27,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,295.60 : 34,936.13 = 19,697.69 : x
  2. Step 2: Convert to fraction form
    25,295.60/34,936.13 = 19,697.69/x
  3. Step 3: Cross multiply
    25,295.60x = 34,936.13 × 19,697.69
  4. Step 4: Simplify right side
    25,295.60x = 688,160,785.37
  5. Step 5: Solve for x
    x = 688,160,785.37/25,295.60
  6. Step 6: Final answer
    x = 27,204.77

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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.