Home / 20,043.02-27,636.73-14,991.05

Finding the Fourth Proportional to 20,043.02, 27,636.73 and 14,991.05

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Solution

The fourth proportional to 20,043.02, 27,636.73 and 14,991.05 is: 20,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.02 : 27,636.73 = 14,991.05 : x
  2. Step 2: Convert to fraction form
    20,043.02/27,636.73 = 14,991.05/x
  3. Step 3: Cross multiply
    20,043.02x = 27,636.73 × 14,991.05
  4. Step 4: Simplify right side
    20,043.02x = 414,303,618.40
  5. Step 5: Solve for x
    x = 414,303,618.40/20,043.02
  6. Step 6: Final answer
    x = 20,670.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.