Home / 27,038.09-40,560.98-8,319.68

Finding the Fourth Proportional to 27,038.09, 40,560.98 and 8,319.68

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Solution

The fourth proportional to 27,038.09, 40,560.98 and 8,319.68 is: 12,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,038.09 : 40,560.98 = 8,319.68 : x
  2. Step 2: Convert to fraction form
    27,038.09/40,560.98 = 8,319.68/x
  3. Step 3: Cross multiply
    27,038.09x = 40,560.98 × 8,319.68
  4. Step 4: Simplify right side
    27,038.09x = 337,454,129.68
  5. Step 5: Solve for x
    x = 337,454,129.68/27,038.09
  6. Step 6: Final answer
    x = 12,480.70

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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.