Home / 28,994.09-40,034.45-22,269.06

Finding the Fourth Proportional to 28,994.09, 40,034.45 and 22,269.06

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Solution

The fourth proportional to 28,994.09, 40,034.45 and 22,269.06 is: 30,748.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,994.09 : 40,034.45 = 22,269.06 : x
  2. Step 2: Convert to fraction form
    28,994.09/40,034.45 = 22,269.06/x
  3. Step 3: Cross multiply
    28,994.09x = 40,034.45 × 22,269.06
  4. Step 4: Simplify right side
    28,994.09x = 891,529,624.79
  5. Step 5: Solve for x
    x = 891,529,624.79/28,994.09
  6. Step 6: Final answer
    x = 30,748.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.