Home / 27,585.25-38,071.89-15,646.05

Finding the Fourth Proportional to 27,585.25, 38,071.89 and 15,646.05

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Solution

The fourth proportional to 27,585.25, 38,071.89 and 15,646.05 is: 21,593.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,585.25 : 38,071.89 = 15,646.05 : x
  2. Step 2: Convert to fraction form
    27,585.25/38,071.89 = 15,646.05/x
  3. Step 3: Cross multiply
    27,585.25x = 38,071.89 × 15,646.05
  4. Step 4: Simplify right side
    27,585.25x = 595,674,694.53
  5. Step 5: Solve for x
    x = 595,674,694.53/27,585.25
  6. Step 6: Final answer
    x = 21,593.96

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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.