Home / 27,897.44-41,853.24-12,915.36

Finding the Fourth Proportional to 27,897.44, 41,853.24 and 12,915.36

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Solution

The fourth proportional to 27,897.44, 41,853.24 and 12,915.36 is: 19,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897.44 : 41,853.24 = 12,915.36 : x
  2. Step 2: Convert to fraction form
    27,897.44/41,853.24 = 12,915.36/x
  3. Step 3: Cross multiply
    27,897.44x = 41,853.24 × 12,915.36
  4. Step 4: Simplify right side
    27,897.44x = 540,549,661.77
  5. Step 5: Solve for x
    x = 540,549,661.77/27,897.44
  6. Step 6: Final answer
    x = 19,376.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.