Home / 27,590.49-38,073.76-15,653.59

Finding the Fourth Proportional to 27,590.49, 38,073.76 and 15,653.59

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Solution

The fourth proportional to 27,590.49, 38,073.76 and 15,653.59 is: 21,601.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,590.49 : 38,073.76 = 15,653.59 : x
  2. Step 2: Convert to fraction form
    27,590.49/38,073.76 = 15,653.59/x
  3. Step 3: Cross multiply
    27,590.49x = 38,073.76 × 15,653.59
  4. Step 4: Simplify right side
    27,590.49x = 595,990,894.48
  5. Step 5: Solve for x
    x = 595,990,894.48/27,590.49
  6. Step 6: Final answer
    x = 21,601.32

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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.