Home / 19,862.34-27,427.83-14,817.81

Finding the Fourth Proportional to 19,862.34, 27,427.83 and 14,817.81

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Solution

The fourth proportional to 19,862.34, 27,427.83 and 14,817.81 is: 20,461.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.34 : 27,427.83 = 14,817.81 : x
  2. Step 2: Convert to fraction form
    19,862.34/27,427.83 = 14,817.81/x
  3. Step 3: Cross multiply
    19,862.34x = 27,427.83 × 14,817.81
  4. Step 4: Simplify right side
    19,862.34x = 406,420,373.65
  5. Step 5: Solve for x
    x = 406,420,373.65/19,862.34
  6. Step 6: Final answer
    x = 20,461.86

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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.