Home / 19,877.60-27,455.13-14,491.50

Finding the Fourth Proportional to 19,877.60, 27,455.13 and 14,491.50

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Solution

The fourth proportional to 19,877.60, 27,455.13 and 14,491.50 is: 20,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,877.60 : 27,455.13 = 14,491.50 : x
  2. Step 2: Convert to fraction form
    19,877.60/27,455.13 = 14,491.50/x
  3. Step 3: Cross multiply
    19,877.60x = 27,455.13 × 14,491.50
  4. Step 4: Simplify right side
    19,877.60x = 397,866,016.40
  5. Step 5: Solve for x
    x = 397,866,016.40/19,877.60
  6. Step 6: Final answer
    x = 20,015.80

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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.