Home / 28,173.56-42,260.65-7,397.06

Finding the Fourth Proportional to 28,173.56, 42,260.65 and 7,397.06

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Solution

The fourth proportional to 28,173.56, 42,260.65 and 7,397.06 is: 11,095.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,173.56 : 42,260.65 = 7,397.06 : x
  2. Step 2: Convert to fraction form
    28,173.56/42,260.65 = 7,397.06/x
  3. Step 3: Cross multiply
    28,173.56x = 42,260.65 × 7,397.06
  4. Step 4: Simplify right side
    28,173.56x = 312,604,650.85
  5. Step 5: Solve for x
    x = 312,604,650.85/28,173.56
  6. Step 6: Final answer
    x = 11,095.67

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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.