Home / 28,762.56-43,157.88-20,496.24

Finding the Fourth Proportional to 28,762.56, 43,157.88 and 20,496.24

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Solution

The fourth proportional to 28,762.56, 43,157.88 and 20,496.24 is: 30,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.56 : 43,157.88 = 20,496.24 : x
  2. Step 2: Convert to fraction form
    28,762.56/43,157.88 = 20,496.24/x
  3. Step 3: Cross multiply
    28,762.56x = 43,157.88 × 20,496.24
  4. Step 4: Simplify right side
    28,762.56x = 884,574,266.37
  5. Step 5: Solve for x
    x = 884,574,266.37/28,762.56
  6. Step 6: Final answer
    x = 30,754.36

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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.