Home / 31,877.42-43,964.66-28,295.00

Finding the Fourth Proportional to 31,877.42, 43,964.66 and 28,295.00

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Solution

The fourth proportional to 31,877.42, 43,964.66 and 28,295.00 is: 39,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,877.42 : 43,964.66 = 28,295.00 : x
  2. Step 2: Convert to fraction form
    31,877.42/43,964.66 = 28,295.00/x
  3. Step 3: Cross multiply
    31,877.42x = 43,964.66 × 28,295.00
  4. Step 4: Simplify right side
    31,877.42x = 1,243,979,693.40
  5. Step 5: Solve for x
    x = 1,243,979,693.40/31,877.42
  6. Step 6: Final answer
    x = 39,023.86

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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.