Home / 28,955.40-43,433.10-15,833.40

Finding the Fourth Proportional to 28,955.40, 43,433.10 and 15,833.40

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Solution

The fourth proportional to 28,955.40, 43,433.10 and 15,833.40 is: 23,750.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955.40 : 43,433.10 = 15,833.40 : x
  2. Step 2: Convert to fraction form
    28,955.40/43,433.10 = 15,833.40/x
  3. Step 3: Cross multiply
    28,955.40x = 43,433.10 × 15,833.40
  4. Step 4: Simplify right side
    28,955.40x = 687,693,645.54
  5. Step 5: Solve for x
    x = 687,693,645.54/28,955.40
  6. Step 6: Final answer
    x = 23,750.10

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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.