Home / 27,459.76-37,897.44-15,364.64

Finding the Fourth Proportional to 27,459.76, 37,897.44 and 15,364.64

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Solution

The fourth proportional to 27,459.76, 37,897.44 and 15,364.64 is: 21,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,459.76 : 37,897.44 = 15,364.64 : x
  2. Step 2: Convert to fraction form
    27,459.76/37,897.44 = 15,364.64/x
  3. Step 3: Cross multiply
    27,459.76x = 37,897.44 × 15,364.64
  4. Step 4: Simplify right side
    27,459.76x = 582,280,522.52
  5. Step 5: Solve for x
    x = 582,280,522.52/27,459.76
  6. Step 6: Final answer
    x = 21,204.87

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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.