Home / 25,643.59-38,469.63-8,999.30

Finding the Fourth Proportional to 25,643.59, 38,469.63 and 8,999.30

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Solution

The fourth proportional to 25,643.59, 38,469.63 and 8,999.30 is: 13,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,643.59 : 38,469.63 = 8,999.30 : x
  2. Step 2: Convert to fraction form
    25,643.59/38,469.63 = 8,999.30/x
  3. Step 3: Cross multiply
    25,643.59x = 38,469.63 × 8,999.30
  4. Step 4: Simplify right side
    25,643.59x = 346,199,871.18
  5. Step 5: Solve for x
    x = 346,199,871.18/25,643.59
  6. Step 6: Final answer
    x = 13,500.45

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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.