Home / 20,577.53-30,877.73-10,047.68

Finding the Fourth Proportional to 20,577.53, 30,877.73 and 10,047.68

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Solution

The fourth proportional to 20,577.53, 30,877.73 and 10,047.68 is: 15,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.53 : 30,877.73 = 10,047.68 : x
  2. Step 2: Convert to fraction form
    20,577.53/30,877.73 = 10,047.68/x
  3. Step 3: Cross multiply
    20,577.53x = 30,877.73 × 10,047.68
  4. Step 4: Simplify right side
    20,577.53x = 310,249,550.17
  5. Step 5: Solve for x
    x = 310,249,550.17/20,577.53
  6. Step 6: Final answer
    x = 15,077.10

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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.