Home / 28,050.48-38,713.08-16,113.78

Finding the Fourth Proportional to 28,050.48, 38,713.08 and 16,113.78

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Solution

The fourth proportional to 28,050.48, 38,713.08 and 16,113.78 is: 22,238.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.48 : 38,713.08 = 16,113.78 : x
  2. Step 2: Convert to fraction form
    28,050.48/38,713.08 = 16,113.78/x
  3. Step 3: Cross multiply
    28,050.48x = 38,713.08 × 16,113.78
  4. Step 4: Simplify right side
    28,050.48x = 623,814,199.42
  5. Step 5: Solve for x
    x = 623,814,199.42/28,050.48
  6. Step 6: Final answer
    x = 22,238.99

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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.