Home / 20,417.16-30,647.34-17,165.28

Finding the Fourth Proportional to 20,417.16, 30,647.34 and 17,165.28

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Solution

The fourth proportional to 20,417.16, 30,647.34 and 17,165.28 is: 25,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,417.16 : 30,647.34 = 17,165.28 : x
  2. Step 2: Convert to fraction form
    20,417.16/30,647.34 = 17,165.28/x
  3. Step 3: Cross multiply
    20,417.16x = 30,647.34 × 17,165.28
  4. Step 4: Simplify right side
    20,417.16x = 526,070,172.36
  5. Step 5: Solve for x
    x = 526,070,172.36/20,417.16
  6. Step 6: Final answer
    x = 25,766.08

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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.