Home / 27,590.60-38,073.93-15,015.35

Finding the Fourth Proportional to 27,590.60, 38,073.93 and 15,015.35

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Solution

The fourth proportional to 27,590.60, 38,073.93 and 15,015.35 is: 20,720.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,590.60 : 38,073.93 = 15,015.35 : x
  2. Step 2: Convert to fraction form
    27,590.60/38,073.93 = 15,015.35/x
  3. Step 3: Cross multiply
    27,590.60x = 38,073.93 × 15,015.35
  4. Step 4: Simplify right side
    27,590.60x = 571,693,384.83
  5. Step 5: Solve for x
    x = 571,693,384.83/27,590.60
  6. Step 6: Final answer
    x = 20,720.59

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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.