Home / 28,595.68-39,463.12-16,020

Finding the Fourth Proportional to 28,595.68, 39,463.12 and 16,020

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Solution

The fourth proportional to 28,595.68, 39,463.12 and 16,020 is: 22,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,595.68 : 39,463.12 = 16,020 : x
  2. Step 2: Convert to fraction form
    28,595.68/39,463.12 = 16,020/x
  3. Step 3: Cross multiply
    28,595.68x = 39,463.12 × 16,020
  4. Step 4: Simplify right side
    28,595.68x = 632,199,182.40
  5. Step 5: Solve for x
    x = 632,199,182.40/28,595.68
  6. Step 6: Final answer
    x = 22,108.21

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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.