Home / 25,315.78-37,983.75-9,729.22

Finding the Fourth Proportional to 25,315.78, 37,983.75 and 9,729.22

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Solution

The fourth proportional to 25,315.78, 37,983.75 and 9,729.22 is: 14,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.78 : 37,983.75 = 9,729.22 : x
  2. Step 2: Convert to fraction form
    25,315.78/37,983.75 = 9,729.22/x
  3. Step 3: Cross multiply
    25,315.78x = 37,983.75 × 9,729.22
  4. Step 4: Simplify right side
    25,315.78x = 369,552,260.18
  5. Step 5: Solve for x
    x = 369,552,260.18/25,315.78
  6. Step 6: Final answer
    x = 14,597.70

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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.