Home / 28,193.02-42,288.06-9,473.20

Finding the Fourth Proportional to 28,193.02, 42,288.06 and 9,473.20

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Solution

The fourth proportional to 28,193.02, 42,288.06 and 9,473.20 is: 14,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193.02 : 42,288.06 = 9,473.20 : x
  2. Step 2: Convert to fraction form
    28,193.02/42,288.06 = 9,473.20/x
  3. Step 3: Cross multiply
    28,193.02x = 42,288.06 × 9,473.20
  4. Step 4: Simplify right side
    28,193.02x = 400,603,249.99
  5. Step 5: Solve for x
    x = 400,603,249.99/28,193.02
  6. Step 6: Final answer
    x = 14,209.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.