Home / 28,514.53-42,779.09-11,869.03

Finding the Fourth Proportional to 28,514.53, 42,779.09 and 11,869.03

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Solution

The fourth proportional to 28,514.53, 42,779.09 and 11,869.03 is: 17,806.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514.53 : 42,779.09 = 11,869.03 : x
  2. Step 2: Convert to fraction form
    28,514.53/42,779.09 = 11,869.03/x
  3. Step 3: Cross multiply
    28,514.53x = 42,779.09 × 11,869.03
  4. Step 4: Simplify right side
    28,514.53x = 507,746,136.29
  5. Step 5: Solve for x
    x = 507,746,136.29/28,514.53
  6. Step 6: Final answer
    x = 17,806.58

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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.