Home / 28,835.90-43,228.18-15,516.16

Finding the Fourth Proportional to 28,835.90, 43,228.18 and 15,516.16

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Solution

The fourth proportional to 28,835.90, 43,228.18 and 15,516.16 is: 23,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.90 : 43,228.18 = 15,516.16 : x
  2. Step 2: Convert to fraction form
    28,835.90/43,228.18 = 15,516.16/x
  3. Step 3: Cross multiply
    28,835.90x = 43,228.18 × 15,516.16
  4. Step 4: Simplify right side
    28,835.90x = 670,735,268.71
  5. Step 5: Solve for x
    x = 670,735,268.71/28,835.90
  6. Step 6: Final answer
    x = 23,260.43

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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.