Home / 23,431.12-32,322.76-15,877.84

Finding the Fourth Proportional to 23,431.12, 32,322.76 and 15,877.84

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Solution

The fourth proportional to 23,431.12, 32,322.76 and 15,877.84 is: 21,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.12 : 32,322.76 = 15,877.84 : x
  2. Step 2: Convert to fraction form
    23,431.12/32,322.76 = 15,877.84/x
  3. Step 3: Cross multiply
    23,431.12x = 32,322.76 × 15,877.84
  4. Step 4: Simplify right side
    23,431.12x = 513,215,611.64
  5. Step 5: Solve for x
    x = 513,215,611.64/23,431.12
  6. Step 6: Final answer
    x = 21,903.16

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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.