Home / 25,043.16-34,560.50-14,289.79

Finding the Fourth Proportional to 25,043.16, 34,560.50 and 14,289.79

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Solution

The fourth proportional to 25,043.16, 34,560.50 and 14,289.79 is: 19,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,043.16 : 34,560.50 = 14,289.79 : x
  2. Step 2: Convert to fraction form
    25,043.16/34,560.50 = 14,289.79/x
  3. Step 3: Cross multiply
    25,043.16x = 34,560.50 × 14,289.79
  4. Step 4: Simplify right side
    25,043.16x = 493,862,043.04
  5. Step 5: Solve for x
    x = 493,862,043.04/25,043.16
  6. Step 6: Final answer
    x = 19,720.43

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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.