Home / 21,935.52-32,903.40-8,784.24

Finding the Fourth Proportional to 21,935.52, 32,903.40 and 8,784.24

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Solution

The fourth proportional to 21,935.52, 32,903.40 and 8,784.24 is: 13,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.52 : 32,903.40 = 8,784.24 : x
  2. Step 2: Convert to fraction form
    21,935.52/32,903.40 = 8,784.24/x
  3. Step 3: Cross multiply
    21,935.52x = 32,903.40 × 8,784.24
  4. Step 4: Simplify right side
    21,935.52x = 289,031,362.42
  5. Step 5: Solve for x
    x = 289,031,362.42/21,935.52
  6. Step 6: Final answer
    x = 13,176.41

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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.