Home / 21,665.31-32,528.04-14,316.99

Finding the Fourth Proportional to 21,665.31, 32,528.04 and 14,316.99

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Solution

The fourth proportional to 21,665.31, 32,528.04 and 14,316.99 is: 21,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,665.31 : 32,528.04 = 14,316.99 : x
  2. Step 2: Convert to fraction form
    21,665.31/32,528.04 = 14,316.99/x
  3. Step 3: Cross multiply
    21,665.31x = 32,528.04 × 14,316.99
  4. Step 4: Simplify right side
    21,665.31x = 465,703,623.40
  5. Step 5: Solve for x
    x = 465,703,623.40/21,665.31
  6. Step 6: Final answer
    x = 21,495.36

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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.