Home / 21,750.66-30,005.24-14,193.50

Finding the Fourth Proportional to 21,750.66, 30,005.24 and 14,193.50

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Solution

The fourth proportional to 21,750.66, 30,005.24 and 14,193.50 is: 19,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750.66 : 30,005.24 = 14,193.50 : x
  2. Step 2: Convert to fraction form
    21,750.66/30,005.24 = 14,193.50/x
  3. Step 3: Cross multiply
    21,750.66x = 30,005.24 × 14,193.50
  4. Step 4: Simplify right side
    21,750.66x = 425,879,152.95
  5. Step 5: Solve for x
    x = 425,879,152.95/21,750.66
  6. Step 6: Final answer
    x = 19,580.06

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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.