Home / 19,802.88-29,537.40-18,425.04

Finding the Fourth Proportional to 19,802.88, 29,537.40 and 18,425.04

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Solution

The fourth proportional to 19,802.88, 29,537.40 and 18,425.04 is: 27,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.88 : 29,537.40 = 18,425.04 : x
  2. Step 2: Convert to fraction form
    19,802.88/29,537.40 = 18,425.04/x
  3. Step 3: Cross multiply
    19,802.88x = 29,537.40 × 18,425.04
  4. Step 4: Simplify right side
    19,802.88x = 544,227,776.50
  5. Step 5: Solve for x
    x = 544,227,776.50/19,802.88
  6. Step 6: Final answer
    x = 27,482.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.