Home / 28,795.40-39,724.06-16,851.34

Finding the Fourth Proportional to 28,795.40, 39,724.06 and 16,851.34

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Solution

The fourth proportional to 28,795.40, 39,724.06 and 16,851.34 is: 23,246.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.40 : 39,724.06 = 16,851.34 : x
  2. Step 2: Convert to fraction form
    28,795.40/39,724.06 = 16,851.34/x
  3. Step 3: Cross multiply
    28,795.40x = 39,724.06 × 16,851.34
  4. Step 4: Simplify right side
    28,795.40x = 669,403,641.24
  5. Step 5: Solve for x
    x = 669,403,641.24/28,795.40
  6. Step 6: Final answer
    x = 23,246.90

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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.