Home / 28,570.84-39,431.28-17,246.84

Finding the Fourth Proportional to 28,570.84, 39,431.28 and 17,246.84

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Solution

The fourth proportional to 28,570.84, 39,431.28 and 17,246.84 is: 23,802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,570.84 : 39,431.28 = 17,246.84 : x
  2. Step 2: Convert to fraction form
    28,570.84/39,431.28 = 17,246.84/x
  3. Step 3: Cross multiply
    28,570.84x = 39,431.28 × 17,246.84
  4. Step 4: Simplify right side
    28,570.84x = 680,064,977.16
  5. Step 5: Solve for x
    x = 680,064,977.16/28,570.84
  6. Step 6: Final answer
    x = 23,802.76

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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.