Home / 20,444.22-28,206.02-13,283.15

Finding the Fourth Proportional to 20,444.22, 28,206.02 and 13,283.15

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Solution

The fourth proportional to 20,444.22, 28,206.02 and 13,283.15 is: 18,326.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.22 : 28,206.02 = 13,283.15 : x
  2. Step 2: Convert to fraction form
    20,444.22/28,206.02 = 13,283.15/x
  3. Step 3: Cross multiply
    20,444.22x = 28,206.02 × 13,283.15
  4. Step 4: Simplify right side
    20,444.22x = 374,664,686.74
  5. Step 5: Solve for x
    x = 374,664,686.74/20,444.22
  6. Step 6: Final answer
    x = 18,326.19

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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.