Home / 21,531.24-32,303.14-13,216.59

Finding the Fourth Proportional to 21,531.24, 32,303.14 and 13,216.59

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Solution

The fourth proportional to 21,531.24, 32,303.14 and 13,216.59 is: 19,828.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,531.24 : 32,303.14 = 13,216.59 : x
  2. Step 2: Convert to fraction form
    21,531.24/32,303.14 = 13,216.59/x
  3. Step 3: Cross multiply
    21,531.24x = 32,303.14 × 13,216.59
  4. Step 4: Simplify right side
    21,531.24x = 426,937,324.05
  5. Step 5: Solve for x
    x = 426,937,324.05/21,531.24
  6. Step 6: Final answer
    x = 19,828.74

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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.