Home / 19,427.54-26,809.97-10,929.67

Finding the Fourth Proportional to 19,427.54, 26,809.97 and 10,929.67

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Solution

The fourth proportional to 19,427.54, 26,809.97 and 10,929.67 is: 15,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.54 : 26,809.97 = 10,929.67 : x
  2. Step 2: Convert to fraction form
    19,427.54/26,809.97 = 10,929.67/x
  3. Step 3: Cross multiply
    19,427.54x = 26,809.97 × 10,929.67
  4. Step 4: Simplify right side
    19,427.54x = 293,024,003.14
  5. Step 5: Solve for x
    x = 293,024,003.14/19,427.54
  6. Step 6: Final answer
    x = 15,082.92

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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.