Home / 20,303.04-28,022.73-12,343.59

Finding the Fourth Proportional to 20,303.04, 28,022.73 and 12,343.59

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Solution

The fourth proportional to 20,303.04, 28,022.73 and 12,343.59 is: 17,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.04 : 28,022.73 = 12,343.59 : x
  2. Step 2: Convert to fraction form
    20,303.04/28,022.73 = 12,343.59/x
  3. Step 3: Cross multiply
    20,303.04x = 28,022.73 × 12,343.59
  4. Step 4: Simplify right side
    20,303.04x = 345,901,089.80
  5. Step 5: Solve for x
    x = 345,901,089.80/20,303.04
  6. Step 6: Final answer
    x = 17,036.91

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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.