Home / 43,528.01-65,277.13-28,638.80

Finding the Fourth Proportional to 43,528.01, 65,277.13 and 28,638.80

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Solution

The fourth proportional to 43,528.01, 65,277.13 and 28,638.80 is: 42,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,528.01 : 65,277.13 = 28,638.80 : x
  2. Step 2: Convert to fraction form
    43,528.01/65,277.13 = 28,638.80/x
  3. Step 3: Cross multiply
    43,528.01x = 65,277.13 × 28,638.80
  4. Step 4: Simplify right side
    43,528.01x = 1,869,458,670.64
  5. Step 5: Solve for x
    x = 1,869,458,670.64/43,528.01
  6. Step 6: Final answer
    x = 42,948.41

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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.