Home / 28,030.04-38,687.06-16,101.56

Finding the Fourth Proportional to 28,030.04, 38,687.06 and 16,101.56

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Solution

The fourth proportional to 28,030.04, 38,687.06 and 16,101.56 is: 22,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030.04 : 38,687.06 = 16,101.56 : x
  2. Step 2: Convert to fraction form
    28,030.04/38,687.06 = 16,101.56/x
  3. Step 3: Cross multiply
    28,030.04x = 38,687.06 × 16,101.56
  4. Step 4: Simplify right side
    28,030.04x = 622,922,017.81
  5. Step 5: Solve for x
    x = 622,922,017.81/28,030.04
  6. Step 6: Final answer
    x = 22,223.37

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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.