Home / 27,968.46-38,595.59-15,393.18

Finding the Fourth Proportional to 27,968.46, 38,595.59 and 15,393.18

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Solution

The fourth proportional to 27,968.46, 38,595.59 and 15,393.18 is: 21,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,968.46 : 38,595.59 = 15,393.18 : x
  2. Step 2: Convert to fraction form
    27,968.46/38,595.59 = 15,393.18/x
  3. Step 3: Cross multiply
    27,968.46x = 38,595.59 × 15,393.18
  4. Step 4: Simplify right side
    27,968.46x = 594,108,864.08
  5. Step 5: Solve for x
    x = 594,108,864.08/27,968.46
  6. Step 6: Final answer
    x = 21,242.10

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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.