Home / 39,278.40-58,820.40-25,216.80

Finding the Fourth Proportional to 39,278.40, 58,820.40 and 25,216.80

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Solution

The fourth proportional to 39,278.40, 58,820.40 and 25,216.80 is: 37,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278.40 : 58,820.40 = 25,216.80 : x
  2. Step 2: Convert to fraction form
    39,278.40/58,820.40 = 25,216.80/x
  3. Step 3: Cross multiply
    39,278.40x = 58,820.40 × 25,216.80
  4. Step 4: Simplify right side
    39,278.40x = 1,483,262,262.72
  5. Step 5: Solve for x
    x = 1,483,262,262.72/39,278.40
  6. Step 6: Final answer
    x = 37,762.80

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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.