Home / 23,686.04-35,438.81-21,061.64

Finding the Fourth Proportional to 23,686.04, 35,438.81 and 21,061.64

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Solution

The fourth proportional to 23,686.04, 35,438.81 and 21,061.64 is: 31,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,686.04 : 35,438.81 = 21,061.64 : x
  2. Step 2: Convert to fraction form
    23,686.04/35,438.81 = 21,061.64/x
  3. Step 3: Cross multiply
    23,686.04x = 35,438.81 × 21,061.64
  4. Step 4: Simplify right side
    23,686.04x = 746,399,458.25
  5. Step 5: Solve for x
    x = 746,399,458.25/23,686.04
  6. Step 6: Final answer
    x = 31,512.21

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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.