Home / 28,605.53-39,475.68-16,030.28

Finding the Fourth Proportional to 28,605.53, 39,475.68 and 16,030.28

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Solution

The fourth proportional to 28,605.53, 39,475.68 and 16,030.28 is: 22,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605.53 : 39,475.68 = 16,030.28 : x
  2. Step 2: Convert to fraction form
    28,605.53/39,475.68 = 16,030.28/x
  3. Step 3: Cross multiply
    28,605.53x = 39,475.68 × 16,030.28
  4. Step 4: Simplify right side
    28,605.53x = 632,806,203.59
  5. Step 5: Solve for x
    x = 632,806,203.59/28,605.53
  6. Step 6: Final answer
    x = 22,121.81

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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.