Home / 26,808.09-40,225.69-12,765.50

Finding the Fourth Proportional to 26,808.09, 40,225.69 and 12,765.50

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Solution

The fourth proportional to 26,808.09, 40,225.69 and 12,765.50 is: 19,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,808.09 : 40,225.69 = 12,765.50 : x
  2. Step 2: Convert to fraction form
    26,808.09/40,225.69 = 12,765.50/x
  3. Step 3: Cross multiply
    26,808.09x = 40,225.69 × 12,765.50
  4. Step 4: Simplify right side
    26,808.09x = 513,501,045.70
  5. Step 5: Solve for x
    x = 513,501,045.70/26,808.09
  6. Step 6: Final answer
    x = 19,154.70

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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.