Home / 28,470.96-39,289.86-16,541.28

Finding the Fourth Proportional to 28,470.96, 39,289.86 and 16,541.28

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Solution

The fourth proportional to 28,470.96, 39,289.86 and 16,541.28 is: 22,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,470.96 : 39,289.86 = 16,541.28 : x
  2. Step 2: Convert to fraction form
    28,470.96/39,289.86 = 16,541.28/x
  3. Step 3: Cross multiply
    28,470.96x = 39,289.86 × 16,541.28
  4. Step 4: Simplify right side
    28,470.96x = 649,904,575.42
  5. Step 5: Solve for x
    x = 649,904,575.42/28,470.96
  6. Step 6: Final answer
    x = 22,826.93

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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.