Home / 28,366.40-42,529.89-12,562.82

Finding the Fourth Proportional to 28,366.40, 42,529.89 and 12,562.82

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Solution

The fourth proportional to 28,366.40, 42,529.89 and 12,562.82 is: 18,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366.40 : 42,529.89 = 12,562.82 : x
  2. Step 2: Convert to fraction form
    28,366.40/42,529.89 = 12,562.82/x
  3. Step 3: Cross multiply
    28,366.40x = 42,529.89 × 12,562.82
  4. Step 4: Simplify right side
    28,366.40x = 534,295,208.91
  5. Step 5: Solve for x
    x = 534,295,208.91/28,366.40
  6. Step 6: Final answer
    x = 18,835.50

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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.