Home / 21,417.78-32,083.85-10,004.32

Finding the Fourth Proportional to 21,417.78, 32,083.85 and 10,004.32

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Solution

The fourth proportional to 21,417.78, 32,083.85 and 10,004.32 is: 14,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,417.78 : 32,083.85 = 10,004.32 : x
  2. Step 2: Convert to fraction form
    21,417.78/32,083.85 = 10,004.32/x
  3. Step 3: Cross multiply
    21,417.78x = 32,083.85 × 10,004.32
  4. Step 4: Simplify right side
    21,417.78x = 320,977,092.32
  5. Step 5: Solve for x
    x = 320,977,092.32/21,417.78
  6. Step 6: Final answer
    x = 14,986.48

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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.