Home / 26,400.92-39,607.30-8,870.28

Finding the Fourth Proportional to 26,400.92, 39,607.30 and 8,870.28

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Solution

The fourth proportional to 26,400.92, 39,607.30 and 8,870.28 is: 13,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,400.92 : 39,607.30 = 8,870.28 : x
  2. Step 2: Convert to fraction form
    26,400.92/39,607.30 = 8,870.28/x
  3. Step 3: Cross multiply
    26,400.92x = 39,607.30 × 8,870.28
  4. Step 4: Simplify right side
    26,400.92x = 351,327,841.04
  5. Step 5: Solve for x
    x = 351,327,841.04/26,400.92
  6. Step 6: Final answer
    x = 13,307.41

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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.