Home / 28,482.72-39,303.20-16,548.56

Finding the Fourth Proportional to 28,482.72, 39,303.20 and 16,548.56

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Solution

The fourth proportional to 28,482.72, 39,303.20 and 16,548.56 is: 22,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482.72 : 39,303.20 = 16,548.56 : x
  2. Step 2: Convert to fraction form
    28,482.72/39,303.20 = 16,548.56/x
  3. Step 3: Cross multiply
    28,482.72x = 39,303.20 × 16,548.56
  4. Step 4: Simplify right side
    28,482.72x = 650,411,363.39
  5. Step 5: Solve for x
    x = 650,411,363.39/28,482.72
  6. Step 6: Final answer
    x = 22,835.30

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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.