Home / 26,878.48-40,303.90-12,074.70

Finding the Fourth Proportional to 26,878.48, 40,303.90 and 12,074.70

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Solution

The fourth proportional to 26,878.48, 40,303.90 and 12,074.70 is: 18,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,878.48 : 40,303.90 = 12,074.70 : x
  2. Step 2: Convert to fraction form
    26,878.48/40,303.90 = 12,074.70/x
  3. Step 3: Cross multiply
    26,878.48x = 40,303.90 × 12,074.70
  4. Step 4: Simplify right side
    26,878.48x = 486,657,501.33
  5. Step 5: Solve for x
    x = 486,657,501.33/26,878.48
  6. Step 6: Final answer
    x = 18,105.84

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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.