Home / 28,053.02-42,047.20-11,394.75

Finding the Fourth Proportional to 28,053.02, 42,047.20 and 11,394.75

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Solution

The fourth proportional to 28,053.02, 42,047.20 and 11,394.75 is: 17,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,053.02 : 42,047.20 = 11,394.75 : x
  2. Step 2: Convert to fraction form
    28,053.02/42,047.20 = 11,394.75/x
  3. Step 3: Cross multiply
    28,053.02x = 42,047.20 × 11,394.75
  4. Step 4: Simplify right side
    28,053.02x = 479,117,332.20
  5. Step 5: Solve for x
    x = 479,117,332.20/28,053.02
  6. Step 6: Final answer
    x = 17,078.99

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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.