Home / 21,533.47-32,287.77-8,370.45

Finding the Fourth Proportional to 21,533.47, 32,287.77 and 8,370.45

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Solution

The fourth proportional to 21,533.47, 32,287.77 and 8,370.45 is: 12,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,533.47 : 32,287.77 = 8,370.45 : x
  2. Step 2: Convert to fraction form
    21,533.47/32,287.77 = 8,370.45/x
  3. Step 3: Cross multiply
    21,533.47x = 32,287.77 × 8,370.45
  4. Step 4: Simplify right side
    21,533.47x = 270,263,164.40
  5. Step 5: Solve for x
    x = 270,263,164.40/21,533.47
  6. Step 6: Final answer
    x = 12,550.84

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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.