Home / 26,830.86-40,229.88-12,795.18

Finding the Fourth Proportional to 26,830.86, 40,229.88 and 12,795.18

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Solution

The fourth proportional to 26,830.86, 40,229.88 and 12,795.18 is: 19,184.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,830.86 : 40,229.88 = 12,795.18 : x
  2. Step 2: Convert to fraction form
    26,830.86/40,229.88 = 12,795.18/x
  3. Step 3: Cross multiply
    26,830.86x = 40,229.88 × 12,795.18
  4. Step 4: Simplify right side
    26,830.86x = 514,748,555.98
  5. Step 5: Solve for x
    x = 514,748,555.98/26,830.86
  6. Step 6: Final answer
    x = 19,184.94

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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.