Home / 28,244.48-42,374.40-9,777.92

Finding the Fourth Proportional to 28,244.48, 42,374.40 and 9,777.92

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Solution

The fourth proportional to 28,244.48, 42,374.40 and 9,777.92 is: 14,669.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,244.48 : 42,374.40 = 9,777.92 : x
  2. Step 2: Convert to fraction form
    28,244.48/42,374.40 = 9,777.92/x
  3. Step 3: Cross multiply
    28,244.48x = 42,374.40 × 9,777.92
  4. Step 4: Simplify right side
    28,244.48x = 414,333,493.25
  5. Step 5: Solve for x
    x = 414,333,493.25/28,244.48
  6. Step 6: Final answer
    x = 14,669.54

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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.