Home / 26,459.45-39,689.21-6,468.90

Finding the Fourth Proportional to 26,459.45, 39,689.21 and 6,468.90

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Solution

The fourth proportional to 26,459.45, 39,689.21 and 6,468.90 is: 9,703.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,459.45 : 39,689.21 = 6,468.90 : x
  2. Step 2: Convert to fraction form
    26,459.45/39,689.21 = 6,468.90/x
  3. Step 3: Cross multiply
    26,459.45x = 39,689.21 × 6,468.90
  4. Step 4: Simplify right side
    26,459.45x = 256,745,397.91
  5. Step 5: Solve for x
    x = 256,745,397.91/26,459.45
  6. Step 6: Final answer
    x = 9,703.35

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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.