Home / 43,526.09-65,289.15-28,731.55

Finding the Fourth Proportional to 43,526.09, 65,289.15 and 28,731.55

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Solution

The fourth proportional to 43,526.09, 65,289.15 and 28,731.55 is: 43,097.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,526.09 : 65,289.15 = 28,731.55 : x
  2. Step 2: Convert to fraction form
    43,526.09/65,289.15 = 28,731.55/x
  3. Step 3: Cross multiply
    43,526.09x = 65,289.15 × 28,731.55
  4. Step 4: Simplify right side
    43,526.09x = 1,875,858,307.12
  5. Step 5: Solve for x
    x = 1,875,858,307.12/43,526.09
  6. Step 6: Final answer
    x = 43,097.33

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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.