Home / 28,059.54-38,721.15-15,484.02

Finding the Fourth Proportional to 28,059.54, 38,721.15 and 15,484.02

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Solution

The fourth proportional to 28,059.54, 38,721.15 and 15,484.02 is: 21,367.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,059.54 : 38,721.15 = 15,484.02 : x
  2. Step 2: Convert to fraction form
    28,059.54/38,721.15 = 15,484.02/x
  3. Step 3: Cross multiply
    28,059.54x = 38,721.15 × 15,484.02
  4. Step 4: Simplify right side
    28,059.54x = 599,559,061.02
  5. Step 5: Solve for x
    x = 599,559,061.02/28,059.54
  6. Step 6: Final answer
    x = 21,367.39

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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.