Home / 21,260.14-29,341.06-15,873.23

Finding the Fourth Proportional to 21,260.14, 29,341.06 and 15,873.23

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Solution

The fourth proportional to 21,260.14, 29,341.06 and 15,873.23 is: 21,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,260.14 : 29,341.06 = 15,873.23 : x
  2. Step 2: Convert to fraction form
    21,260.14/29,341.06 = 15,873.23/x
  3. Step 3: Cross multiply
    21,260.14x = 29,341.06 × 15,873.23
  4. Step 4: Simplify right side
    21,260.14x = 465,737,427.49
  5. Step 5: Solve for x
    x = 465,737,427.49/21,260.14
  6. Step 6: Final answer
    x = 21,906.60

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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.