Home / 28,240.14-42,326-15,746.88

Finding the Fourth Proportional to 28,240.14, 42,326 and 15,746.88

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Solution

The fourth proportional to 28,240.14, 42,326 and 15,746.88 is: 23,601.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,240.14 : 42,326 = 15,746.88 : x
  2. Step 2: Convert to fraction form
    28,240.14/42,326 = 15,746.88/x
  3. Step 3: Cross multiply
    28,240.14x = 42,326 × 15,746.88
  4. Step 4: Simplify right side
    28,240.14x = 666,502,442.88
  5. Step 5: Solve for x
    x = 666,502,442.88/28,240.14
  6. Step 6: Final answer
    x = 23,601.24

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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.