Home / 28,128.69-42,194.66-10,598.67

Finding the Fourth Proportional to 28,128.69, 42,194.66 and 10,598.67

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Solution

The fourth proportional to 28,128.69, 42,194.66 and 10,598.67 is: 15,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,128.69 : 42,194.66 = 10,598.67 : x
  2. Step 2: Convert to fraction form
    28,128.69/42,194.66 = 10,598.67/x
  3. Step 3: Cross multiply
    28,128.69x = 42,194.66 × 10,598.67
  4. Step 4: Simplify right side
    28,128.69x = 447,207,224.11
  5. Step 5: Solve for x
    x = 447,207,224.11/28,128.69
  6. Step 6: Final answer
    x = 15,898.62

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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.