Home / 26,518.40-39,771.32-9,886.24

Finding the Fourth Proportional to 26,518.40, 39,771.32 and 9,886.24

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Solution

The fourth proportional to 26,518.40, 39,771.32 and 9,886.24 is: 14,827.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,518.40 : 39,771.32 = 9,886.24 : x
  2. Step 2: Convert to fraction form
    26,518.40/39,771.32 = 9,886.24/x
  3. Step 3: Cross multiply
    26,518.40x = 39,771.32 × 9,886.24
  4. Step 4: Simplify right side
    26,518.40x = 393,188,814.64
  5. Step 5: Solve for x
    x = 393,188,814.64/26,518.40
  6. Step 6: Final answer
    x = 14,827.02

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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.