Home / 20,525.14-28,348.06-13,799.12

Finding the Fourth Proportional to 20,525.14, 28,348.06 and 13,799.12

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Solution

The fourth proportional to 20,525.14, 28,348.06 and 13,799.12 is: 19,058.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.14 : 28,348.06 = 13,799.12 : x
  2. Step 2: Convert to fraction form
    20,525.14/28,348.06 = 13,799.12/x
  3. Step 3: Cross multiply
    20,525.14x = 28,348.06 × 13,799.12
  4. Step 4: Simplify right side
    20,525.14x = 391,178,281.71
  5. Step 5: Solve for x
    x = 391,178,281.71/20,525.14
  6. Step 6: Final answer
    x = 19,058.50

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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.