Home / 28,924.65-39,916.53-16,349.40

Finding the Fourth Proportional to 28,924.65, 39,916.53 and 16,349.40

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Solution

The fourth proportional to 28,924.65, 39,916.53 and 16,349.40 is: 22,562.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.65 : 39,916.53 = 16,349.40 : x
  2. Step 2: Convert to fraction form
    28,924.65/39,916.53 = 16,349.40/x
  3. Step 3: Cross multiply
    28,924.65x = 39,916.53 × 16,349.40
  4. Step 4: Simplify right side
    28,924.65x = 652,611,315.58
  5. Step 5: Solve for x
    x = 652,611,315.58/28,924.65
  6. Step 6: Final answer
    x = 22,562.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.