Home / 28,398.96-42,624.66-14,368.86

Finding the Fourth Proportional to 28,398.96, 42,624.66 and 14,368.86

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Solution

The fourth proportional to 28,398.96, 42,624.66 and 14,368.86 is: 21,566.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,398.96 : 42,624.66 = 14,368.86 : x
  2. Step 2: Convert to fraction form
    28,398.96/42,624.66 = 14,368.86/x
  3. Step 3: Cross multiply
    28,398.96x = 42,624.66 × 14,368.86
  4. Step 4: Simplify right side
    28,398.96x = 612,467,772.09
  5. Step 5: Solve for x
    x = 612,467,772.09/28,398.96
  6. Step 6: Final answer
    x = 21,566.56

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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.