Home / 28,623.02-39,491.69-18,551.88

Finding the Fourth Proportional to 28,623.02, 39,491.69 and 18,551.88

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Solution

The fourth proportional to 28,623.02, 39,491.69 and 18,551.88 is: 25,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,623.02 : 39,491.69 = 18,551.88 : x
  2. Step 2: Convert to fraction form
    28,623.02/39,491.69 = 18,551.88/x
  3. Step 3: Cross multiply
    28,623.02x = 39,491.69 × 18,551.88
  4. Step 4: Simplify right side
    28,623.02x = 732,645,001.12
  5. Step 5: Solve for x
    x = 732,645,001.12/28,623.02
  6. Step 6: Final answer
    x = 25,596.36

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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.