Home / 28,252.92-42,379.59-13,054.08

Finding the Fourth Proportional to 28,252.92, 42,379.59 and 13,054.08

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Solution

The fourth proportional to 28,252.92, 42,379.59 and 13,054.08 is: 19,581.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.92 : 42,379.59 = 13,054.08 : x
  2. Step 2: Convert to fraction form
    28,252.92/42,379.59 = 13,054.08/x
  3. Step 3: Cross multiply
    28,252.92x = 42,379.59 × 13,054.08
  4. Step 4: Simplify right side
    28,252.92x = 553,226,558.23
  5. Step 5: Solve for x
    x = 553,226,558.23/28,252.92
  6. Step 6: Final answer
    x = 19,581.22

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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.