Home / 27,353.89-37,751.36-15,871.32

Finding the Fourth Proportional to 27,353.89, 37,751.36 and 15,871.32

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Solution

The fourth proportional to 27,353.89, 37,751.36 and 15,871.32 is: 21,904.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,353.89 : 37,751.36 = 15,871.32 : x
  2. Step 2: Convert to fraction form
    27,353.89/37,751.36 = 15,871.32/x
  3. Step 3: Cross multiply
    27,353.89x = 37,751.36 × 15,871.32
  4. Step 4: Simplify right side
    27,353.89x = 599,163,774.10
  5. Step 5: Solve for x
    x = 599,163,774.10/27,353.89
  6. Step 6: Final answer
    x = 21,904.16

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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.