Home / 18,962.29-28,317.68-18,756.35

Finding the Fourth Proportional to 18,962.29, 28,317.68 and 18,756.35

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Solution

The fourth proportional to 18,962.29, 28,317.68 and 18,756.35 is: 28,010.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,962.29 : 28,317.68 = 18,756.35 : x
  2. Step 2: Convert to fraction form
    18,962.29/28,317.68 = 18,756.35/x
  3. Step 3: Cross multiply
    18,962.29x = 28,317.68 × 18,756.35
  4. Step 4: Simplify right side
    18,962.29x = 531,136,317.27
  5. Step 5: Solve for x
    x = 531,136,317.27/18,962.29
  6. Step 6: Final answer
    x = 28,010.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.