Home / 28,017.02-38,669.16-16,088.54

Finding the Fourth Proportional to 28,017.02, 38,669.16 and 16,088.54

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Solution

The fourth proportional to 28,017.02, 38,669.16 and 16,088.54 is: 22,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,017.02 : 38,669.16 = 16,088.54 : x
  2. Step 2: Convert to fraction form
    28,017.02/38,669.16 = 16,088.54/x
  3. Step 3: Cross multiply
    28,017.02x = 38,669.16 × 16,088.54
  4. Step 4: Simplify right side
    28,017.02x = 622,130,327.43
  5. Step 5: Solve for x
    x = 622,130,327.43/28,017.02
  6. Step 6: Final answer
    x = 22,205.44

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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.