Home / 28,289.52-39,046.54-16,359.76

Finding the Fourth Proportional to 28,289.52, 39,046.54 and 16,359.76

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Solution

The fourth proportional to 28,289.52, 39,046.54 and 16,359.76 is: 22,580.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,289.52 : 39,046.54 = 16,359.76 : x
  2. Step 2: Convert to fraction form
    28,289.52/39,046.54 = 16,359.76/x
  3. Step 3: Cross multiply
    28,289.52x = 39,046.54 × 16,359.76
  4. Step 4: Simplify right side
    28,289.52x = 638,792,023.23
  5. Step 5: Solve for x
    x = 638,792,023.23/28,289.52
  6. Step 6: Final answer
    x = 22,580.52

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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.