Home / 28,224.84-38,968.65-19,269.08

Finding the Fourth Proportional to 28,224.84, 38,968.65 and 19,269.08

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Solution

The fourth proportional to 28,224.84, 38,968.65 and 19,269.08 is: 26,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224.84 : 38,968.65 = 19,269.08 : x
  2. Step 2: Convert to fraction form
    28,224.84/38,968.65 = 19,269.08/x
  3. Step 3: Cross multiply
    28,224.84x = 38,968.65 × 19,269.08
  4. Step 4: Simplify right side
    28,224.84x = 750,889,839.50
  5. Step 5: Solve for x
    x = 750,889,839.50/28,224.84
  6. Step 6: Final answer
    x = 26,603.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.