Home / 28,188.02-38,900.09-16,088.27

Finding the Fourth Proportional to 28,188.02, 38,900.09 and 16,088.27

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Solution

The fourth proportional to 28,188.02, 38,900.09 and 16,088.27 is: 22,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188.02 : 38,900.09 = 16,088.27 : x
  2. Step 2: Convert to fraction form
    28,188.02/38,900.09 = 16,088.27/x
  3. Step 3: Cross multiply
    28,188.02x = 38,900.09 × 16,088.27
  4. Step 4: Simplify right side
    28,188.02x = 625,834,996.66
  5. Step 5: Solve for x
    x = 625,834,996.66/28,188.02
  6. Step 6: Final answer
    x = 22,202.16

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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.