Home / 28,186.40-38,818.50-27,574.04

Finding the Fourth Proportional to 28,186.40, 38,818.50 and 27,574.04

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Solution

The fourth proportional to 28,186.40, 38,818.50 and 27,574.04 is: 37,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186.40 : 38,818.50 = 27,574.04 : x
  2. Step 2: Convert to fraction form
    28,186.40/38,818.50 = 27,574.04/x
  3. Step 3: Cross multiply
    28,186.40x = 38,818.50 × 27,574.04
  4. Step 4: Simplify right side
    28,186.40x = 1,070,382,871.74
  5. Step 5: Solve for x
    x = 1,070,382,871.74/28,186.40
  6. Step 6: Final answer
    x = 37,975.15

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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.