Home / 26,459.15-39,688.74-8,941.28

Finding the Fourth Proportional to 26,459.15, 39,688.74 and 8,941.28

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Solution

The fourth proportional to 26,459.15, 39,688.74 and 8,941.28 is: 13,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,459.15 : 39,688.74 = 8,941.28 : x
  2. Step 2: Convert to fraction form
    26,459.15/39,688.74 = 8,941.28/x
  3. Step 3: Cross multiply
    26,459.15x = 39,688.74 × 8,941.28
  4. Step 4: Simplify right side
    26,459.15x = 354,867,938.74
  5. Step 5: Solve for x
    x = 354,867,938.74/26,459.15
  6. Step 6: Final answer
    x = 13,411.92

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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.