Home / 38,402.40-57,590.40-18,668.24

Finding the Fourth Proportional to 38,402.40, 57,590.40 and 18,668.24

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Solution

The fourth proportional to 38,402.40, 57,590.40 and 18,668.24 is: 27,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,402.40 : 57,590.40 = 18,668.24 : x
  2. Step 2: Convert to fraction form
    38,402.40/57,590.40 = 18,668.24/x
  3. Step 3: Cross multiply
    38,402.40x = 57,590.40 × 18,668.24
  4. Step 4: Simplify right side
    38,402.40x = 1,075,111,408.90
  5. Step 5: Solve for x
    x = 1,075,111,408.90/38,402.40
  6. Step 6: Final answer
    x = 27,995.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.