Home / 21,707.45-32,416.17-18,554.52

Finding the Fourth Proportional to 21,707.45, 32,416.17 and 18,554.52

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Solution

The fourth proportional to 21,707.45, 32,416.17 and 18,554.52 is: 27,707.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,707.45 : 32,416.17 = 18,554.52 : x
  2. Step 2: Convert to fraction form
    21,707.45/32,416.17 = 18,554.52/x
  3. Step 3: Cross multiply
    21,707.45x = 32,416.17 × 18,554.52
  4. Step 4: Simplify right side
    21,707.45x = 601,466,381.82
  5. Step 5: Solve for x
    x = 601,466,381.82/21,707.45
  6. Step 6: Final answer
    x = 27,707.84

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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.