Home / 28,068.72-38,754.36-17,463.12

Finding the Fourth Proportional to 28,068.72, 38,754.36 and 17,463.12

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Solution

The fourth proportional to 28,068.72, 38,754.36 and 17,463.12 is: 24,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.72 : 38,754.36 = 17,463.12 : x
  2. Step 2: Convert to fraction form
    28,068.72/38,754.36 = 17,463.12/x
  3. Step 3: Cross multiply
    28,068.72x = 38,754.36 × 17,463.12
  4. Step 4: Simplify right side
    28,068.72x = 676,772,039.20
  5. Step 5: Solve for x
    x = 676,772,039.20/28,068.72
  6. Step 6: Final answer
    x = 24,111.25

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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.