Home / 28,208.79-42,306.19-11,573.46

Finding the Fourth Proportional to 28,208.79, 42,306.19 and 11,573.46

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Solution

The fourth proportional to 28,208.79, 42,306.19 and 11,573.46 is: 17,357.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208.79 : 42,306.19 = 11,573.46 : x
  2. Step 2: Convert to fraction form
    28,208.79/42,306.19 = 11,573.46/x
  3. Step 3: Cross multiply
    28,208.79x = 42,306.19 × 11,573.46
  4. Step 4: Simplify right side
    28,208.79x = 489,628,968.78
  5. Step 5: Solve for x
    x = 489,628,968.78/28,208.79
  6. Step 6: Final answer
    x = 17,357.32

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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.