Home / 25,359.12-34,994.90-14,028.30

Finding the Fourth Proportional to 25,359.12, 34,994.90 and 14,028.30

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Solution

The fourth proportional to 25,359.12, 34,994.90 and 14,028.30 is: 19,358.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,359.12 : 34,994.90 = 14,028.30 : x
  2. Step 2: Convert to fraction form
    25,359.12/34,994.90 = 14,028.30/x
  3. Step 3: Cross multiply
    25,359.12x = 34,994.90 × 14,028.30
  4. Step 4: Simplify right side
    25,359.12x = 490,918,885.53
  5. Step 5: Solve for x
    x = 490,918,885.53/25,359.12
  6. Step 6: Final answer
    x = 19,358.67

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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.