Home / 39,929.88-55,052.64-26,315.80

Finding the Fourth Proportional to 39,929.88, 55,052.64 and 26,315.80

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Solution

The fourth proportional to 39,929.88, 55,052.64 and 26,315.80 is: 36,282.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,929.88 : 55,052.64 = 26,315.80 : x
  2. Step 2: Convert to fraction form
    39,929.88/55,052.64 = 26,315.80/x
  3. Step 3: Cross multiply
    39,929.88x = 55,052.64 × 26,315.80
  4. Step 4: Simplify right side
    39,929.88x = 1,448,754,263.71
  5. Step 5: Solve for x
    x = 1,448,754,263.71/39,929.88
  6. Step 6: Final answer
    x = 36,282.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.