Home / 28,690.29-39,586.14-16,114.23

Finding the Fourth Proportional to 28,690.29, 39,586.14 and 16,114.23

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Solution

The fourth proportional to 28,690.29, 39,586.14 and 16,114.23 is: 22,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,690.29 : 39,586.14 = 16,114.23 : x
  2. Step 2: Convert to fraction form
    28,690.29/39,586.14 = 16,114.23/x
  3. Step 3: Cross multiply
    28,690.29x = 39,586.14 × 16,114.23
  4. Step 4: Simplify right side
    28,690.29x = 637,900,164.77
  5. Step 5: Solve for x
    x = 637,900,164.77/28,690.29
  6. Step 6: Final answer
    x = 22,234.01

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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.