Home / 21,595.08-32,392.64-8,438.24

Finding the Fourth Proportional to 21,595.08, 32,392.64 and 8,438.24

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Solution

The fourth proportional to 21,595.08, 32,392.64 and 8,438.24 is: 12,657.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,595.08 : 32,392.64 = 8,438.24 : x
  2. Step 2: Convert to fraction form
    21,595.08/32,392.64 = 8,438.24/x
  3. Step 3: Cross multiply
    21,595.08x = 32,392.64 × 8,438.24
  4. Step 4: Simplify right side
    21,595.08x = 273,336,666.40
  5. Step 5: Solve for x
    x = 273,336,666.40/21,595.08
  6. Step 6: Final answer
    x = 12,657.36

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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.