Home / 25,443.60-38,165.40-8,798.10

Finding the Fourth Proportional to 25,443.60, 38,165.40 and 8,798.10

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Solution

The fourth proportional to 25,443.60, 38,165.40 and 8,798.10 is: 13,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443.60 : 38,165.40 = 8,798.10 : x
  2. Step 2: Convert to fraction form
    25,443.60/38,165.40 = 8,798.10/x
  3. Step 3: Cross multiply
    25,443.60x = 38,165.40 × 8,798.10
  4. Step 4: Simplify right side
    25,443.60x = 335,783,005.74
  5. Step 5: Solve for x
    x = 335,783,005.74/25,443.60
  6. Step 6: Final answer
    x = 13,197.15

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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.