Home / 28,607.58-39,471.84-18,011.16

Finding the Fourth Proportional to 28,607.58, 39,471.84 and 18,011.16

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Solution

The fourth proportional to 28,607.58, 39,471.84 and 18,011.16 is: 24,851.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,607.58 : 39,471.84 = 18,011.16 : x
  2. Step 2: Convert to fraction form
    28,607.58/39,471.84 = 18,011.16/x
  3. Step 3: Cross multiply
    28,607.58x = 39,471.84 × 18,011.16
  4. Step 4: Simplify right side
    28,607.58x = 710,933,625.73
  5. Step 5: Solve for x
    x = 710,933,625.73/28,607.58
  6. Step 6: Final answer
    x = 24,851.23

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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.