Home / 21,637.65-29,839.94-16,602.08

Finding the Fourth Proportional to 21,637.65, 29,839.94 and 16,602.08

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Solution

The fourth proportional to 21,637.65, 29,839.94 and 16,602.08 is: 22,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,637.65 : 29,839.94 = 16,602.08 : x
  2. Step 2: Convert to fraction form
    21,637.65/29,839.94 = 16,602.08/x
  3. Step 3: Cross multiply
    21,637.65x = 29,839.94 × 16,602.08
  4. Step 4: Simplify right side
    21,637.65x = 495,405,071.08
  5. Step 5: Solve for x
    x = 495,405,071.08/21,637.65
  6. Step 6: Final answer
    x = 22,895.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.