Home / 28,025.73-38,653.63-17,955.10

Finding the Fourth Proportional to 28,025.73, 38,653.63 and 17,955.10

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Solution

The fourth proportional to 28,025.73, 38,653.63 and 17,955.10 is: 24,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025.73 : 38,653.63 = 17,955.10 : x
  2. Step 2: Convert to fraction form
    28,025.73/38,653.63 = 17,955.10/x
  3. Step 3: Cross multiply
    28,025.73x = 38,653.63 × 17,955.10
  4. Step 4: Simplify right side
    28,025.73x = 694,030,023.27
  5. Step 5: Solve for x
    x = 694,030,023.27/28,025.73
  6. Step 6: Final answer
    x = 24,764.03

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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.