Home / 28,303.20-42,451.74-11,665.26

Finding the Fourth Proportional to 28,303.20, 42,451.74 and 11,665.26

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Solution

The fourth proportional to 28,303.20, 42,451.74 and 11,665.26 is: 17,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,303.20 : 42,451.74 = 11,665.26 : x
  2. Step 2: Convert to fraction form
    28,303.20/42,451.74 = 11,665.26/x
  3. Step 3: Cross multiply
    28,303.20x = 42,451.74 × 11,665.26
  4. Step 4: Simplify right side
    28,303.20x = 495,210,584.55
  5. Step 5: Solve for x
    x = 495,210,584.55/28,303.20
  6. Step 6: Final answer
    x = 17,496.63

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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.