Home / 19,035.67-26,244.06-15,620.17

Finding the Fourth Proportional to 19,035.67, 26,244.06 and 15,620.17

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Solution

The fourth proportional to 19,035.67, 26,244.06 and 15,620.17 is: 21,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,035.67 : 26,244.06 = 15,620.17 : x
  2. Step 2: Convert to fraction form
    19,035.67/26,244.06 = 15,620.17/x
  3. Step 3: Cross multiply
    19,035.67x = 26,244.06 × 15,620.17
  4. Step 4: Simplify right side
    19,035.67x = 409,936,744.30
  5. Step 5: Solve for x
    x = 409,936,744.30/19,035.67
  6. Step 6: Final answer
    x = 21,535.19

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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.