Home / 28,527.59-39,349.40-17,189.42

Finding the Fourth Proportional to 28,527.59, 39,349.40 and 17,189.42

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Solution

The fourth proportional to 28,527.59, 39,349.40 and 17,189.42 is: 23,710.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527.59 : 39,349.40 = 17,189.42 : x
  2. Step 2: Convert to fraction form
    28,527.59/39,349.40 = 17,189.42/x
  3. Step 3: Cross multiply
    28,527.59x = 39,349.40 × 17,189.42
  4. Step 4: Simplify right side
    28,527.59x = 676,393,080.65
  5. Step 5: Solve for x
    x = 676,393,080.65/28,527.59
  6. Step 6: Final answer
    x = 23,710.14

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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.