Home / 28,674,002.80-43,011,004.20-25,538,719.60

Finding the Fourth Proportional to 28,674,002.80, 43,011,004.20 and 25,538,719.60

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Solution

The fourth proportional to 28,674,002.80, 43,011,004.20 and 25,538,719.60 is: 38,308,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,674,002.80 : 43,011,004.20 = 25,538,719.60 : x
  2. Step 2: Convert to fraction form
    28,674,002.80/43,011,004.20 = 25,538,719.60/x
  3. Step 3: Cross multiply
    28,674,002.80x = 43,011,004.20 × 25,538,719.60
  4. Step 4: Simplify right side
    28,674,002.80x = 1,098,445,975,978,222.50
  5. Step 5: Solve for x
    x = 1,098,445,975,978,222.50/28,674,002.80
  6. Step 6: Final answer
    x = 38,308,079.40

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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.