Home / 28,368.96-42,539.20-16,526.56

Finding the Fourth Proportional to 28,368.96, 42,539.20 and 16,526.56

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Solution

The fourth proportional to 28,368.96, 42,539.20 and 16,526.56 is: 24,781.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,368.96 : 42,539.20 = 16,526.56 : x
  2. Step 2: Convert to fraction form
    28,368.96/42,539.20 = 16,526.56/x
  3. Step 3: Cross multiply
    28,368.96x = 42,539.20 × 16,526.56
  4. Step 4: Simplify right side
    28,368.96x = 703,026,641.15
  5. Step 5: Solve for x
    x = 703,026,641.15/28,368.96
  6. Step 6: Final answer
    x = 24,781.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.