Home / 19,027.50-26,258.31-10,643.82

Finding the Fourth Proportional to 19,027.50, 26,258.31 and 10,643.82

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Solution

The fourth proportional to 19,027.50, 26,258.31 and 10,643.82 is: 14,688.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,027.50 : 26,258.31 = 10,643.82 : x
  2. Step 2: Convert to fraction form
    19,027.50/26,258.31 = 10,643.82/x
  3. Step 3: Cross multiply
    19,027.50x = 26,258.31 × 10,643.82
  4. Step 4: Simplify right side
    19,027.50x = 279,488,725.14
  5. Step 5: Solve for x
    x = 279,488,725.14/19,027.50
  6. Step 6: Final answer
    x = 14,688.67

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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.