Home / 28,082.74-42,103.28-13,274.35

Finding the Fourth Proportional to 28,082.74, 42,103.28 and 13,274.35

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Solution

The fourth proportional to 28,082.74, 42,103.28 and 13,274.35 is: 19,901.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.74 : 42,103.28 = 13,274.35 : x
  2. Step 2: Convert to fraction form
    28,082.74/42,103.28 = 13,274.35/x
  3. Step 3: Cross multiply
    28,082.74x = 42,103.28 × 13,274.35
  4. Step 4: Simplify right side
    28,082.74x = 558,893,464.35
  5. Step 5: Solve for x
    x = 558,893,464.35/28,082.74
  6. Step 6: Final answer
    x = 19,901.67

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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.