Home / 28,027.36-42,068.40-23,146.72

Finding the Fourth Proportional to 28,027.36, 42,068.40 and 23,146.72

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Solution

The fourth proportional to 28,027.36, 42,068.40 and 23,146.72 is: 34,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027.36 : 42,068.40 = 23,146.72 : x
  2. Step 2: Convert to fraction form
    28,027.36/42,068.40 = 23,146.72/x
  3. Step 3: Cross multiply
    28,027.36x = 42,068.40 × 23,146.72
  4. Step 4: Simplify right side
    28,027.36x = 973,745,475.65
  5. Step 5: Solve for x
    x = 973,745,475.65/28,027.36
  6. Step 6: Final answer
    x = 34,742.68

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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.