Home / 21,357.53-32,036.40-14,008.53

Finding the Fourth Proportional to 21,357.53, 32,036.40 and 14,008.53

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Solution

The fourth proportional to 21,357.53, 32,036.40 and 14,008.53 is: 21,012.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,357.53 : 32,036.40 = 14,008.53 : x
  2. Step 2: Convert to fraction form
    21,357.53/32,036.40 = 14,008.53/x
  3. Step 3: Cross multiply
    21,357.53x = 32,036.40 × 14,008.53
  4. Step 4: Simplify right side
    21,357.53x = 448,782,870.49
  5. Step 5: Solve for x
    x = 448,782,870.49/21,357.53
  6. Step 6: Final answer
    x = 21,012.87

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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.