Home / 28,464.66-42,683.33-13,459.28

Finding the Fourth Proportional to 28,464.66, 42,683.33 and 13,459.28

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Solution

The fourth proportional to 28,464.66, 42,683.33 and 13,459.28 is: 20,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464.66 : 42,683.33 = 13,459.28 : x
  2. Step 2: Convert to fraction form
    28,464.66/42,683.33 = 13,459.28/x
  3. Step 3: Cross multiply
    28,464.66x = 42,683.33 × 13,459.28
  4. Step 4: Simplify right side
    28,464.66x = 574,486,609.09
  5. Step 5: Solve for x
    x = 574,486,609.09/28,464.66
  6. Step 6: Final answer
    x = 20,182.45

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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.