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Finding the Fourth Proportional to 25,690, 38,535.01 and 7,222

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Solution

The fourth proportional to 25,690, 38,535.01 and 7,222 is: 10,833.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690 : 38,535.01 = 7,222 : x
  2. Step 2: Convert to fraction form
    25,690/38,535.01 = 7,222/x
  3. Step 3: Cross multiply
    25,690x = 38,535.01 × 7,222
  4. Step 4: Simplify right side
    25,690x = 278,299,842.22
  5. Step 5: Solve for x
    x = 278,299,842.22/25,690
  6. Step 6: Final answer
    x = 10,833.00

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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.