Home / 21,624.24-32,364.90-19,681.32

Finding the Fourth Proportional to 21,624.24, 32,364.90 and 19,681.32

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Solution

The fourth proportional to 21,624.24, 32,364.90 and 19,681.32 is: 29,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.24 : 32,364.90 = 19,681.32 : x
  2. Step 2: Convert to fraction form
    21,624.24/32,364.90 = 19,681.32/x
  3. Step 3: Cross multiply
    21,624.24x = 32,364.90 × 19,681.32
  4. Step 4: Simplify right side
    21,624.24x = 636,983,953.67
  5. Step 5: Solve for x
    x = 636,983,953.67/21,624.24
  6. Step 6: Final answer
    x = 29,456.94

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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.