Home / 25,215.95-37,823.93-7,685.79

Finding the Fourth Proportional to 25,215.95, 37,823.93 and 7,685.79

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Solution

The fourth proportional to 25,215.95, 37,823.93 and 7,685.79 is: 11,528.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,215.95 : 37,823.93 = 7,685.79 : x
  2. Step 2: Convert to fraction form
    25,215.95/37,823.93 = 7,685.79/x
  3. Step 3: Cross multiply
    25,215.95x = 37,823.93 × 7,685.79
  4. Step 4: Simplify right side
    25,215.95x = 290,706,782.95
  5. Step 5: Solve for x
    x = 290,706,782.95/25,215.95
  6. Step 6: Final answer
    x = 11,528.69

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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.