Home / 19,938.60-29,864.70-17,749.80

Finding the Fourth Proportional to 19,938.60, 29,864.70 and 17,749.80

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Solution

The fourth proportional to 19,938.60, 29,864.70 and 17,749.80 is: 26,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.60 : 29,864.70 = 17,749.80 : x
  2. Step 2: Convert to fraction form
    19,938.60/29,864.70 = 17,749.80/x
  3. Step 3: Cross multiply
    19,938.60x = 29,864.70 × 17,749.80
  4. Step 4: Simplify right side
    19,938.60x = 530,092,452.06
  5. Step 5: Solve for x
    x = 530,092,452.06/19,938.60
  6. Step 6: Final answer
    x = 26,586.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.