Home / 21,160.05-31,763.16-15,596.16

Finding the Fourth Proportional to 21,160.05, 31,763.16 and 15,596.16

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Solution

The fourth proportional to 21,160.05, 31,763.16 and 15,596.16 is: 23,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160.05 : 31,763.16 = 15,596.16 : x
  2. Step 2: Convert to fraction form
    21,160.05/31,763.16 = 15,596.16/x
  3. Step 3: Cross multiply
    21,160.05x = 31,763.16 × 15,596.16
  4. Step 4: Simplify right side
    21,160.05x = 495,383,325.47
  5. Step 5: Solve for x
    x = 495,383,325.47/21,160.05
  6. Step 6: Final answer
    x = 23,411.25

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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.