Home / 28,035.52-42,015.92-13,248.36

Finding the Fourth Proportional to 28,035.52, 42,015.92 and 13,248.36

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Solution

The fourth proportional to 28,035.52, 42,015.92 and 13,248.36 is: 19,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.52 : 42,015.92 = 13,248.36 : x
  2. Step 2: Convert to fraction form
    28,035.52/42,015.92 = 13,248.36/x
  3. Step 3: Cross multiply
    28,035.52x = 42,015.92 × 13,248.36
  4. Step 4: Simplify right side
    28,035.52x = 556,641,967.65
  5. Step 5: Solve for x
    x = 556,641,967.65/28,035.52
  6. Step 6: Final answer
    x = 19,854.88

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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.