Home / 28,595.32-42,818.70-19,738

Finding the Fourth Proportional to 28,595.32, 42,818.70 and 19,738

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Solution

The fourth proportional to 28,595.32, 42,818.70 and 19,738 is: 29,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,595.32 : 42,818.70 = 19,738 : x
  2. Step 2: Convert to fraction form
    28,595.32/42,818.70 = 19,738/x
  3. Step 3: Cross multiply
    28,595.32x = 42,818.70 × 19,738
  4. Step 4: Simplify right side
    28,595.32x = 845,155,500.60
  5. Step 5: Solve for x
    x = 845,155,500.60/28,595.32
  6. Step 6: Final answer
    x = 29,555.73

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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.