Home / 26,400.29-39,600.63-8,870.12

Finding the Fourth Proportional to 26,400.29, 39,600.63 and 8,870.12

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Solution

The fourth proportional to 26,400.29, 39,600.63 and 8,870.12 is: 13,305.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,400.29 : 39,600.63 = 8,870.12 : x
  2. Step 2: Convert to fraction form
    26,400.29/39,600.63 = 8,870.12/x
  3. Step 3: Cross multiply
    26,400.29x = 39,600.63 × 8,870.12
  4. Step 4: Simplify right side
    26,400.29x = 351,262,142.17
  5. Step 5: Solve for x
    x = 351,262,142.17/26,400.29
  6. Step 6: Final answer
    x = 13,305.24

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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.