Home / 17,378.10-26,030.70-15,531.30

Finding the Fourth Proportional to 17,378.10, 26,030.70 and 15,531.30

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Solution

The fourth proportional to 17,378.10, 26,030.70 and 15,531.30 is: 23,264.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,378.10 : 26,030.70 = 15,531.30 : x
  2. Step 2: Convert to fraction form
    17,378.10/26,030.70 = 15,531.30/x
  3. Step 3: Cross multiply
    17,378.10x = 26,030.70 × 15,531.30
  4. Step 4: Simplify right side
    17,378.10x = 404,290,610.91
  5. Step 5: Solve for x
    x = 404,290,610.91/17,378.10
  6. Step 6: Final answer
    x = 23,264.37

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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.