Home / 25,557.40-38,336.10-8,027.20

Finding the Fourth Proportional to 25,557.40, 38,336.10 and 8,027.20

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Solution

The fourth proportional to 25,557.40, 38,336.10 and 8,027.20 is: 12,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,557.40 : 38,336.10 = 8,027.20 : x
  2. Step 2: Convert to fraction form
    25,557.40/38,336.10 = 8,027.20/x
  3. Step 3: Cross multiply
    25,557.40x = 38,336.10 × 8,027.20
  4. Step 4: Simplify right side
    25,557.40x = 307,731,541.92
  5. Step 5: Solve for x
    x = 307,731,541.92/25,557.40
  6. Step 6: Final answer
    x = 12,040.80

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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.