Home / 27,188.76-37,518.06-15,865.08

Finding the Fourth Proportional to 27,188.76, 37,518.06 and 15,865.08

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Solution

The fourth proportional to 27,188.76, 37,518.06 and 15,865.08 is: 21,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,188.76 : 37,518.06 = 15,865.08 : x
  2. Step 2: Convert to fraction form
    27,188.76/37,518.06 = 15,865.08/x
  3. Step 3: Cross multiply
    27,188.76x = 37,518.06 × 15,865.08
  4. Step 4: Simplify right side
    27,188.76x = 595,227,023.34
  5. Step 5: Solve for x
    x = 595,227,023.34/27,188.76
  6. Step 6: Final answer
    x = 21,892.39

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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.