Home / 19,453.88-26,848.14-15,208.76

Finding the Fourth Proportional to 19,453.88, 26,848.14 and 15,208.76

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Solution

The fourth proportional to 19,453.88, 26,848.14 and 15,208.76 is: 20,989.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.88 : 26,848.14 = 15,208.76 : x
  2. Step 2: Convert to fraction form
    19,453.88/26,848.14 = 15,208.76/x
  3. Step 3: Cross multiply
    19,453.88x = 26,848.14 × 15,208.76
  4. Step 4: Simplify right side
    19,453.88x = 408,326,917.71
  5. Step 5: Solve for x
    x = 408,326,917.71/19,453.88
  6. Step 6: Final answer
    x = 20,989.48

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Double scale
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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.