Home / 21,762.51-29,836.68-21,368.85

Finding the Fourth Proportional to 21,762.51, 29,836.68 and 21,368.85

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Solution

The fourth proportional to 21,762.51, 29,836.68 and 21,368.85 is: 29,296.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762.51 : 29,836.68 = 21,368.85 : x
  2. Step 2: Convert to fraction form
    21,762.51/29,836.68 = 21,368.85/x
  3. Step 3: Cross multiply
    21,762.51x = 29,836.68 × 21,368.85
  4. Step 4: Simplify right side
    21,762.51x = 637,575,539.42
  5. Step 5: Solve for x
    x = 637,575,539.42/21,762.51
  6. Step 6: Final answer
    x = 29,296.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.