Home / 21,035.52-29,025.36-12,085.92

Finding the Fourth Proportional to 21,035.52, 29,025.36 and 12,085.92

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Solution

The fourth proportional to 21,035.52, 29,025.36 and 12,085.92 is: 16,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,035.52 : 29,025.36 = 12,085.92 : x
  2. Step 2: Convert to fraction form
    21,035.52/29,025.36 = 12,085.92/x
  3. Step 3: Cross multiply
    21,035.52x = 29,025.36 × 12,085.92
  4. Step 4: Simplify right side
    21,035.52x = 350,798,178.93
  5. Step 5: Solve for x
    x = 350,798,178.93/21,035.52
  6. Step 6: Final answer
    x = 16,676.47

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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.