Home / 25,261.64-34,861.38-14,651.72

Finding the Fourth Proportional to 25,261.64, 34,861.38 and 14,651.72

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Solution

The fourth proportional to 25,261.64, 34,861.38 and 14,651.72 is: 20,219.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,261.64 : 34,861.38 = 14,651.72 : x
  2. Step 2: Convert to fraction form
    25,261.64/34,861.38 = 14,651.72/x
  3. Step 3: Cross multiply
    25,261.64x = 34,861.38 × 14,651.72
  4. Step 4: Simplify right side
    25,261.64x = 510,779,178.57
  5. Step 5: Solve for x
    x = 510,779,178.57/25,261.64
  6. Step 6: Final answer
    x = 20,219.56

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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.