Home / 19,970.22-27,539.22-15,492.34

Finding the Fourth Proportional to 19,970.22, 27,539.22 and 15,492.34

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Solution

The fourth proportional to 19,970.22, 27,539.22 and 15,492.34 is: 21,364.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.22 : 27,539.22 = 15,492.34 : x
  2. Step 2: Convert to fraction form
    19,970.22/27,539.22 = 15,492.34/x
  3. Step 3: Cross multiply
    19,970.22x = 27,539.22 × 15,492.34
  4. Step 4: Simplify right side
    19,970.22x = 426,646,890.73
  5. Step 5: Solve for x
    x = 426,646,890.73/19,970.22
  6. Step 6: Final answer
    x = 21,364.16

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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.