Home / 23,897.10-32,977.80-13,286.64

Finding the Fourth Proportional to 23,897.10, 32,977.80 and 13,286.64

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Solution

The fourth proportional to 23,897.10, 32,977.80 and 13,286.64 is: 18,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,897.10 : 32,977.80 = 13,286.64 : x
  2. Step 2: Convert to fraction form
    23,897.10/32,977.80 = 13,286.64/x
  3. Step 3: Cross multiply
    23,897.10x = 32,977.80 × 13,286.64
  4. Step 4: Simplify right side
    23,897.10x = 438,164,156.59
  5. Step 5: Solve for x
    x = 438,164,156.59/23,897.10
  6. Step 6: Final answer
    x = 18,335.45

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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.