Home / 27,590.58-38,077.65-16,986.42

Finding the Fourth Proportional to 27,590.58, 38,077.65 and 16,986.42

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Solution

The fourth proportional to 27,590.58, 38,077.65 and 16,986.42 is: 23,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,590.58 : 38,077.65 = 16,986.42 : x
  2. Step 2: Convert to fraction form
    27,590.58/38,077.65 = 16,986.42/x
  3. Step 3: Cross multiply
    27,590.58x = 38,077.65 × 16,986.42
  4. Step 4: Simplify right side
    27,590.58x = 646,802,955.51
  5. Step 5: Solve for x
    x = 646,802,955.51/27,590.58
  6. Step 6: Final answer
    x = 23,442.89

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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.