Home / 21,036.24-29,033.28-12,652.56

Finding the Fourth Proportional to 21,036.24, 29,033.28 and 12,652.56

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Solution

The fourth proportional to 21,036.24, 29,033.28 and 12,652.56 is: 17,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,036.24 : 29,033.28 = 12,652.56 : x
  2. Step 2: Convert to fraction form
    21,036.24/29,033.28 = 12,652.56/x
  3. Step 3: Cross multiply
    21,036.24x = 29,033.28 × 12,652.56
  4. Step 4: Simplify right side
    21,036.24x = 367,345,317.20
  5. Step 5: Solve for x
    x = 367,345,317.20/21,036.24
  6. Step 6: Final answer
    x = 17,462.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.