Home / 28,256.39-42,386.94-14,209.19

Finding the Fourth Proportional to 28,256.39, 42,386.94 and 14,209.19

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Solution

The fourth proportional to 28,256.39, 42,386.94 and 14,209.19 is: 21,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,256.39 : 42,386.94 = 14,209.19 : x
  2. Step 2: Convert to fraction form
    28,256.39/42,386.94 = 14,209.19/x
  3. Step 3: Cross multiply
    28,256.39x = 42,386.94 × 14,209.19
  4. Step 4: Simplify right side
    28,256.39x = 602,284,083.98
  5. Step 5: Solve for x
    x = 602,284,083.98/28,256.39
  6. Step 6: Final answer
    x = 21,314.97

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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.