Home / 17,938.67-26,866.28-17,315.78

Finding the Fourth Proportional to 17,938.67, 26,866.28 and 17,315.78

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Solution

The fourth proportional to 17,938.67, 26,866.28 and 17,315.78 is: 25,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.67 : 26,866.28 = 17,315.78 : x
  2. Step 2: Convert to fraction form
    17,938.67/26,866.28 = 17,315.78/x
  3. Step 3: Cross multiply
    17,938.67x = 26,866.28 × 17,315.78
  4. Step 4: Simplify right side
    17,938.67x = 465,210,502.86
  5. Step 5: Solve for x
    x = 465,210,502.86/17,938.67
  6. Step 6: Final answer
    x = 25,933.40

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1.5x scale

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.