Home / 27,999.20-38,537.52-26,386.40

Finding the Fourth Proportional to 27,999.20, 38,537.52 and 26,386.40

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Solution

The fourth proportional to 27,999.20, 38,537.52 and 26,386.40 is: 36,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,999.20 : 38,537.52 = 26,386.40 : x
  2. Step 2: Convert to fraction form
    27,999.20/38,537.52 = 26,386.40/x
  3. Step 3: Cross multiply
    27,999.20x = 38,537.52 × 26,386.40
  4. Step 4: Simplify right side
    27,999.20x = 1,016,866,417.73
  5. Step 5: Solve for x
    x = 1,016,866,417.73/27,999.20
  6. Step 6: Final answer
    x = 36,317.70

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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.