Home / 20,056.02-27,677.64-10,981.23

Finding the Fourth Proportional to 20,056.02, 27,677.64 and 10,981.23

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Solution

The fourth proportional to 20,056.02, 27,677.64 and 10,981.23 is: 15,154.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.02 : 27,677.64 = 10,981.23 : x
  2. Step 2: Convert to fraction form
    20,056.02/27,677.64 = 10,981.23/x
  3. Step 3: Cross multiply
    20,056.02x = 27,677.64 × 10,981.23
  4. Step 4: Simplify right side
    20,056.02x = 303,934,530.70
  5. Step 5: Solve for x
    x = 303,934,530.70/20,056.02
  6. Step 6: Final answer
    x = 15,154.28

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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.