Home / 21,955.52-32,894.76-18,281.36

Finding the Fourth Proportional to 21,955.52, 32,894.76 and 18,281.36

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Solution

The fourth proportional to 21,955.52, 32,894.76 and 18,281.36 is: 27,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,955.52 : 32,894.76 = 18,281.36 : x
  2. Step 2: Convert to fraction form
    21,955.52/32,894.76 = 18,281.36/x
  3. Step 3: Cross multiply
    21,955.52x = 32,894.76 × 18,281.36
  4. Step 4: Simplify right side
    21,955.52x = 601,360,949.67
  5. Step 5: Solve for x
    x = 601,360,949.67/21,955.52
  6. Step 6: Final answer
    x = 27,389.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.