Home / 21,029.06-29,010.21-12,526.34

Finding the Fourth Proportional to 21,029.06, 29,010.21 and 12,526.34

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Solution

The fourth proportional to 21,029.06, 29,010.21 and 12,526.34 is: 17,280.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029.06 : 29,010.21 = 12,526.34 : x
  2. Step 2: Convert to fraction form
    21,029.06/29,010.21 = 12,526.34/x
  3. Step 3: Cross multiply
    21,029.06x = 29,010.21 × 12,526.34
  4. Step 4: Simplify right side
    21,029.06x = 363,391,753.93
  5. Step 5: Solve for x
    x = 363,391,753.93/21,029.06
  6. Step 6: Final answer
    x = 17,280.46

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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.