Home / 28,605.80-39,475.96-16,030.64

Finding the Fourth Proportional to 28,605.80, 39,475.96 and 16,030.64

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Solution

The fourth proportional to 28,605.80, 39,475.96 and 16,030.64 is: 22,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605.80 : 39,475.96 = 16,030.64 : x
  2. Step 2: Convert to fraction form
    28,605.80/39,475.96 = 16,030.64/x
  3. Step 3: Cross multiply
    28,605.80x = 39,475.96 × 16,030.64
  4. Step 4: Simplify right side
    28,605.80x = 632,824,903.41
  5. Step 5: Solve for x
    x = 632,824,903.41/28,605.80
  6. Step 6: Final answer
    x = 22,122.26

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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.