Home / 25,360.74-38,018.79-9,767.70

Finding the Fourth Proportional to 25,360.74, 38,018.79 and 9,767.70

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Solution

The fourth proportional to 25,360.74, 38,018.79 and 9,767.70 is: 14,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,360.74 : 38,018.79 = 9,767.70 : x
  2. Step 2: Convert to fraction form
    25,360.74/38,018.79 = 9,767.70/x
  3. Step 3: Cross multiply
    25,360.74x = 38,018.79 × 9,767.70
  4. Step 4: Simplify right side
    25,360.74x = 371,356,135.08
  5. Step 5: Solve for x
    x = 371,356,135.08/25,360.74
  6. Step 6: Final answer
    x = 14,642.95

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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.