Home / 27,072.32-37,347.36-15,886.40

Finding the Fourth Proportional to 27,072.32, 37,347.36 and 15,886.40

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Solution

The fourth proportional to 27,072.32, 37,347.36 and 15,886.40 is: 21,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,072.32 : 37,347.36 = 15,886.40 : x
  2. Step 2: Convert to fraction form
    27,072.32/37,347.36 = 15,886.40/x
  3. Step 3: Cross multiply
    27,072.32x = 37,347.36 × 15,886.40
  4. Step 4: Simplify right side
    27,072.32x = 593,315,099.90
  5. Step 5: Solve for x
    x = 593,315,099.90/27,072.32
  6. Step 6: Final answer
    x = 21,915.93

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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.