Home / 27,585.29-38,068.07-15,648.36

Finding the Fourth Proportional to 27,585.29, 38,068.07 and 15,648.36

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Solution

The fourth proportional to 27,585.29, 38,068.07 and 15,648.36 is: 21,594.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,585.29 : 38,068.07 = 15,648.36 : x
  2. Step 2: Convert to fraction form
    27,585.29/38,068.07 = 15,648.36/x
  3. Step 3: Cross multiply
    27,585.29x = 38,068.07 × 15,648.36
  4. Step 4: Simplify right side
    27,585.29x = 595,702,785.62
  5. Step 5: Solve for x
    x = 595,702,785.62/27,585.29
  6. Step 6: Final answer
    x = 21,594.95

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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.