Home / 28,486.83-42,697.66-17,818.03

Finding the Fourth Proportional to 28,486.83, 42,697.66 and 17,818.03

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Solution

The fourth proportional to 28,486.83, 42,697.66 and 17,818.03 is: 26,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,486.83 : 42,697.66 = 17,818.03 : x
  2. Step 2: Convert to fraction form
    28,486.83/42,697.66 = 17,818.03/x
  3. Step 3: Cross multiply
    28,486.83x = 42,697.66 × 17,818.03
  4. Step 4: Simplify right side
    28,486.83x = 760,788,142.26
  5. Step 5: Solve for x
    x = 760,788,142.26/28,486.83
  6. Step 6: Final answer
    x = 26,706.67

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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.