Home / 28,648.81-39,535.34-16,709.84

Finding the Fourth Proportional to 28,648.81, 39,535.34 and 16,709.84

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Solution

The fourth proportional to 28,648.81, 39,535.34 and 16,709.84 is: 23,059.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,648.81 : 39,535.34 = 16,709.84 : x
  2. Step 2: Convert to fraction form
    28,648.81/39,535.34 = 16,709.84/x
  3. Step 3: Cross multiply
    28,648.81x = 39,535.34 × 16,709.84
  4. Step 4: Simplify right side
    28,648.81x = 660,629,389.16
  5. Step 5: Solve for x
    x = 660,629,389.16/28,648.81
  6. Step 6: Final answer
    x = 23,059.58

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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.