Home / 28,748.03-39,670.49-16,810.65

Finding the Fourth Proportional to 28,748.03, 39,670.49 and 16,810.65

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Solution

The fourth proportional to 28,748.03, 39,670.49 and 16,810.65 is: 23,197.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,748.03 : 39,670.49 = 16,810.65 : x
  2. Step 2: Convert to fraction form
    28,748.03/39,670.49 = 16,810.65/x
  3. Step 3: Cross multiply
    28,748.03x = 39,670.49 × 16,810.65
  4. Step 4: Simplify right side
    28,748.03x = 666,886,764.75
  5. Step 5: Solve for x
    x = 666,886,764.75/28,748.03
  6. Step 6: Final answer
    x = 23,197.65

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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.