Home / 42,257.91-63,418.74-28,898.98

Finding the Fourth Proportional to 42,257.91, 63,418.74 and 28,898.98

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Solution

The fourth proportional to 42,257.91, 63,418.74 and 28,898.98 is: 43,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,257.91 : 63,418.74 = 28,898.98 : x
  2. Step 2: Convert to fraction form
    42,257.91/63,418.74 = 28,898.98/x
  3. Step 3: Cross multiply
    42,257.91x = 63,418.74 × 28,898.98
  4. Step 4: Simplify right side
    42,257.91x = 1,832,736,898.89
  5. Step 5: Solve for x
    x = 1,832,736,898.89/42,257.91
  6. Step 6: Final answer
    x = 43,370.27

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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.