Home / 20,326.02-28,051.28-11,373.03

Finding the Fourth Proportional to 20,326.02, 28,051.28 and 11,373.03

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Solution

The fourth proportional to 20,326.02, 28,051.28 and 11,373.03 is: 15,695.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,326.02 : 28,051.28 = 11,373.03 : x
  2. Step 2: Convert to fraction form
    20,326.02/28,051.28 = 11,373.03/x
  3. Step 3: Cross multiply
    20,326.02x = 28,051.28 × 11,373.03
  4. Step 4: Simplify right side
    20,326.02x = 319,028,048.98
  5. Step 5: Solve for x
    x = 319,028,048.98/20,326.02
  6. Step 6: Final answer
    x = 15,695.55

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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.