Home / 27,278.35-40,937.81-20,274.67

Finding the Fourth Proportional to 27,278.35, 40,937.81 and 20,274.67

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Solution

The fourth proportional to 27,278.35, 40,937.81 and 20,274.67 is: 30,427.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.35 : 40,937.81 = 20,274.67 : x
  2. Step 2: Convert to fraction form
    27,278.35/40,937.81 = 20,274.67/x
  3. Step 3: Cross multiply
    27,278.35x = 40,937.81 × 20,274.67
  4. Step 4: Simplify right side
    27,278.35x = 830,000,588.27
  5. Step 5: Solve for x
    x = 830,000,588.27/27,278.35
  6. Step 6: Final answer
    x = 30,427.08

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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.