Home / 28,298.92-42,450.94-11,655.08

Finding the Fourth Proportional to 28,298.92, 42,450.94 and 11,655.08

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Solution

The fourth proportional to 28,298.92, 42,450.94 and 11,655.08 is: 17,483.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.92 : 42,450.94 = 11,655.08 : x
  2. Step 2: Convert to fraction form
    28,298.92/42,450.94 = 11,655.08/x
  3. Step 3: Cross multiply
    28,298.92x = 42,450.94 × 11,655.08
  4. Step 4: Simplify right side
    28,298.92x = 494,769,101.78
  5. Step 5: Solve for x
    x = 494,769,101.78/28,298.92
  6. Step 6: Final answer
    x = 17,483.67

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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.