Home / 38,002.77-52,443.05-20,774.88

Finding the Fourth Proportional to 38,002.77, 52,443.05 and 20,774.88

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Solution

The fourth proportional to 38,002.77, 52,443.05 and 20,774.88 is: 28,668.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,002.77 : 52,443.05 = 20,774.88 : x
  2. Step 2: Convert to fraction form
    38,002.77/52,443.05 = 20,774.88/x
  3. Step 3: Cross multiply
    38,002.77x = 52,443.05 × 20,774.88
  4. Step 4: Simplify right side
    38,002.77x = 1,089,497,966.71
  5. Step 5: Solve for x
    x = 1,089,497,966.71/38,002.77
  6. Step 6: Final answer
    x = 28,668.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.