Home / 19,200.02-26,485.56-12,028.39

Finding the Fourth Proportional to 19,200.02, 26,485.56 and 12,028.39

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Solution

The fourth proportional to 19,200.02, 26,485.56 and 12,028.39 is: 16,592.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.02 : 26,485.56 = 12,028.39 : x
  2. Step 2: Convert to fraction form
    19,200.02/26,485.56 = 12,028.39/x
  3. Step 3: Cross multiply
    19,200.02x = 26,485.56 × 12,028.39
  4. Step 4: Simplify right side
    19,200.02x = 318,578,645.05
  5. Step 5: Solve for x
    x = 318,578,645.05/19,200.02
  6. Step 6: Final answer
    x = 16,592.62

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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.