Home / 17,325.42-25,988.53-5,639.55

Finding the Fourth Proportional to 17,325.42, 25,988.53 and 5,639.55

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Solution

The fourth proportional to 17,325.42, 25,988.53 and 5,639.55 is: 8,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,325.42 : 25,988.53 = 5,639.55 : x
  2. Step 2: Convert to fraction form
    17,325.42/25,988.53 = 5,639.55/x
  3. Step 3: Cross multiply
    17,325.42x = 25,988.53 × 5,639.55
  4. Step 4: Simplify right side
    17,325.42x = 146,563,470.32
  5. Step 5: Solve for x
    x = 146,563,470.32/17,325.42
  6. Step 6: Final answer
    x = 8,459.45

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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.