Home / 31,897.64-44,028.56-20,567.16

Finding the Fourth Proportional to 31,897.64, 44,028.56 and 20,567.16

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Solution

The fourth proportional to 31,897.64, 44,028.56 and 20,567.16 is: 28,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.64 : 44,028.56 = 20,567.16 : x
  2. Step 2: Convert to fraction form
    31,897.64/44,028.56 = 20,567.16/x
  3. Step 3: Cross multiply
    31,897.64x = 44,028.56 × 20,567.16
  4. Step 4: Simplify right side
    31,897.64x = 905,542,438.09
  5. Step 5: Solve for x
    x = 905,542,438.09/31,897.64
  6. Step 6: Final answer
    x = 28,389.01

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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.