Home / 17,386.10-26,042.70-15,539.30

Finding the Fourth Proportional to 17,386.10, 26,042.70 and 15,539.30

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Solution

The fourth proportional to 17,386.10, 26,042.70 and 15,539.30 is: 23,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,386.10 : 26,042.70 = 15,539.30 : x
  2. Step 2: Convert to fraction form
    17,386.10/26,042.70 = 15,539.30/x
  3. Step 3: Cross multiply
    17,386.10x = 26,042.70 × 15,539.30
  4. Step 4: Simplify right side
    17,386.10x = 404,685,328.11
  5. Step 5: Solve for x
    x = 404,685,328.11/17,386.10
  6. Step 6: Final answer
    x = 23,276.37

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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.