Home / 27,925.56-38,536.86-15,178.32

Finding the Fourth Proportional to 27,925.56, 38,536.86 and 15,178.32

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Solution

The fourth proportional to 27,925.56, 38,536.86 and 15,178.32 is: 20,945.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,925.56 : 38,536.86 = 15,178.32 : x
  2. Step 2: Convert to fraction form
    27,925.56/38,536.86 = 15,178.32/x
  3. Step 3: Cross multiply
    27,925.56x = 38,536.86 × 15,178.32
  4. Step 4: Simplify right side
    27,925.56x = 584,924,792.88
  5. Step 5: Solve for x
    x = 584,924,792.88/27,925.56
  6. Step 6: Final answer
    x = 20,945.86

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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.