Home / 31,258.48-43,156.80-27,895.52

Finding the Fourth Proportional to 31,258.48, 43,156.80 and 27,895.52

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Solution

The fourth proportional to 31,258.48, 43,156.80 and 27,895.52 is: 38,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,258.48 : 43,156.80 = 27,895.52 : x
  2. Step 2: Convert to fraction form
    31,258.48/43,156.80 = 27,895.52/x
  3. Step 3: Cross multiply
    31,258.48x = 43,156.80 × 27,895.52
  4. Step 4: Simplify right side
    31,258.48x = 1,203,881,377.54
  5. Step 5: Solve for x
    x = 1,203,881,377.54/31,258.48
  6. Step 6: Final answer
    x = 38,513.75

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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.