Home / 27,856.64-38,440.14-16,525.64

Finding the Fourth Proportional to 27,856.64, 38,440.14 and 16,525.64

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Solution

The fourth proportional to 27,856.64, 38,440.14 and 16,525.64 is: 22,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,856.64 : 38,440.14 = 16,525.64 : x
  2. Step 2: Convert to fraction form
    27,856.64/38,440.14 = 16,525.64/x
  3. Step 3: Cross multiply
    27,856.64x = 38,440.14 × 16,525.64
  4. Step 4: Simplify right side
    27,856.64x = 635,247,915.19
  5. Step 5: Solve for x
    x = 635,247,915.19/27,856.64
  6. Step 6: Final answer
    x = 22,804.18

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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.