Home / 25,899.06-38,856.69-8,370.21

Finding the Fourth Proportional to 25,899.06, 38,856.69 and 8,370.21

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Solution

The fourth proportional to 25,899.06, 38,856.69 and 8,370.21 is: 12,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,899.06 : 38,856.69 = 8,370.21 : x
  2. Step 2: Convert to fraction form
    25,899.06/38,856.69 = 8,370.21/x
  3. Step 3: Cross multiply
    25,899.06x = 38,856.69 × 8,370.21
  4. Step 4: Simplify right side
    25,899.06x = 325,238,655.20
  5. Step 5: Solve for x
    x = 325,238,655.20/25,899.06
  6. Step 6: Final answer
    x = 12,557.93

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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.