Home / 25,499.23-35,178.85-14,742.11

Finding the Fourth Proportional to 25,499.23, 35,178.85 and 14,742.11

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Solution

The fourth proportional to 25,499.23, 35,178.85 and 14,742.11 is: 20,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,499.23 : 35,178.85 = 14,742.11 : x
  2. Step 2: Convert to fraction form
    25,499.23/35,178.85 = 14,742.11/x
  3. Step 3: Cross multiply
    25,499.23x = 35,178.85 × 14,742.11
  4. Step 4: Simplify right side
    25,499.23x = 518,610,527.47
  5. Step 5: Solve for x
    x = 518,610,527.47/25,499.23
  6. Step 6: Final answer
    x = 20,338.28

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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.