Home / 28,119.55-42,158.32-17,023.57

Finding the Fourth Proportional to 28,119.55, 42,158.32 and 17,023.57

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Solution

The fourth proportional to 28,119.55, 42,158.32 and 17,023.57 is: 25,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,119.55 : 42,158.32 = 17,023.57 : x
  2. Step 2: Convert to fraction form
    28,119.55/42,158.32 = 17,023.57/x
  3. Step 3: Cross multiply
    28,119.55x = 42,158.32 × 17,023.57
  4. Step 4: Simplify right side
    28,119.55x = 717,685,111.60
  5. Step 5: Solve for x
    x = 717,685,111.60/28,119.55
  6. Step 6: Final answer
    x = 25,522.64

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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.