Home / 27,590.53-38,072.30-15,488.25

Finding the Fourth Proportional to 27,590.53, 38,072.30 and 15,488.25

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Solution

The fourth proportional to 27,590.53, 38,072.30 and 15,488.25 is: 21,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,590.53 : 38,072.30 = 15,488.25 : x
  2. Step 2: Convert to fraction form
    27,590.53/38,072.30 = 15,488.25/x
  3. Step 3: Cross multiply
    27,590.53x = 38,072.30 × 15,488.25
  4. Step 4: Simplify right side
    27,590.53x = 589,673,300.48
  5. Step 5: Solve for x
    x = 589,673,300.48/27,590.53
  6. Step 6: Final answer
    x = 21,372.31

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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.