Home / 25,278.98-37,941.75-12,807.68

Finding the Fourth Proportional to 25,278.98, 37,941.75 and 12,807.68

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Solution

The fourth proportional to 25,278.98, 37,941.75 and 12,807.68 is: 19,223.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.98 : 37,941.75 = 12,807.68 : x
  2. Step 2: Convert to fraction form
    25,278.98/37,941.75 = 12,807.68/x
  3. Step 3: Cross multiply
    25,278.98x = 37,941.75 × 12,807.68
  4. Step 4: Simplify right side
    25,278.98x = 485,945,792.64
  5. Step 5: Solve for x
    x = 485,945,792.64/25,278.98
  6. Step 6: Final answer
    x = 19,223.31

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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.