Home / 27,626.70-38,123.52-15,688.46

Finding the Fourth Proportional to 27,626.70, 38,123.52 and 15,688.46

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Solution

The fourth proportional to 27,626.70, 38,123.52 and 15,688.46 is: 21,649.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,626.70 : 38,123.52 = 15,688.46 : x
  2. Step 2: Convert to fraction form
    27,626.70/38,123.52 = 15,688.46/x
  3. Step 3: Cross multiply
    27,626.70x = 38,123.52 × 15,688.46
  4. Step 4: Simplify right side
    27,626.70x = 598,099,318.58
  5. Step 5: Solve for x
    x = 598,099,318.58/27,626.70
  6. Step 6: Final answer
    x = 21,649.32

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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.