Home / 28,194.55-42,247.33-10,400.72

Finding the Fourth Proportional to 28,194.55, 42,247.33 and 10,400.72

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Solution

The fourth proportional to 28,194.55, 42,247.33 and 10,400.72 is: 15,584.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.55 : 42,247.33 = 10,400.72 : x
  2. Step 2: Convert to fraction form
    28,194.55/42,247.33 = 10,400.72/x
  3. Step 3: Cross multiply
    28,194.55x = 42,247.33 × 10,400.72
  4. Step 4: Simplify right side
    28,194.55x = 439,402,690.09
  5. Step 5: Solve for x
    x = 439,402,690.09/28,194.55
  6. Step 6: Final answer
    x = 15,584.67

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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.