Home / 20,448.84-28,201.91-14,085.58

Finding the Fourth Proportional to 20,448.84, 28,201.91 and 14,085.58

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Solution

The fourth proportional to 20,448.84, 28,201.91 and 14,085.58 is: 19,426.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,448.84 : 28,201.91 = 14,085.58 : x
  2. Step 2: Convert to fraction form
    20,448.84/28,201.91 = 14,085.58/x
  3. Step 3: Cross multiply
    20,448.84x = 28,201.91 × 14,085.58
  4. Step 4: Simplify right side
    20,448.84x = 397,240,259.46
  5. Step 5: Solve for x
    x = 397,240,259.46/20,448.84
  6. Step 6: Final answer
    x = 19,426.05

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1.5x scale

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.