Home / 27,899.64-38,495.40-16,572.86

Finding the Fourth Proportional to 27,899.64, 38,495.40 and 16,572.86

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Solution

The fourth proportional to 27,899.64, 38,495.40 and 16,572.86 is: 22,866.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,899.64 : 38,495.40 = 16,572.86 : x
  2. Step 2: Convert to fraction form
    27,899.64/38,495.40 = 16,572.86/x
  3. Step 3: Cross multiply
    27,899.64x = 38,495.40 × 16,572.86
  4. Step 4: Simplify right side
    27,899.64x = 637,978,874.84
  5. Step 5: Solve for x
    x = 637,978,874.84/27,899.64
  6. Step 6: Final answer
    x = 22,866.92

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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.