Home / 21,657.92-32,467.68-10,558.40

Finding the Fourth Proportional to 21,657.92, 32,467.68 and 10,558.40

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Solution

The fourth proportional to 21,657.92, 32,467.68 and 10,558.40 is: 15,828.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657.92 : 32,467.68 = 10,558.40 : x
  2. Step 2: Convert to fraction form
    21,657.92/32,467.68 = 10,558.40/x
  3. Step 3: Cross multiply
    21,657.92x = 32,467.68 × 10,558.40
  4. Step 4: Simplify right side
    21,657.92x = 342,806,752.51
  5. Step 5: Solve for x
    x = 342,806,752.51/21,657.92
  6. Step 6: Final answer
    x = 15,828.24

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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.