Home / 25,220.52-37,830.66-7,690.29

Finding the Fourth Proportional to 25,220.52, 37,830.66 and 7,690.29

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Solution

The fourth proportional to 25,220.52, 37,830.66 and 7,690.29 is: 11,535.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,220.52 : 37,830.66 = 7,690.29 : x
  2. Step 2: Convert to fraction form
    25,220.52/37,830.66 = 7,690.29/x
  3. Step 3: Cross multiply
    25,220.52x = 37,830.66 × 7,690.29
  4. Step 4: Simplify right side
    25,220.52x = 290,928,746.29
  5. Step 5: Solve for x
    x = 290,928,746.29/25,220.52
  6. Step 6: Final answer
    x = 11,535.40

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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.