Home / 21,151.84-31,776.36-14,926.16

Finding the Fourth Proportional to 21,151.84, 31,776.36 and 14,926.16

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Solution

The fourth proportional to 21,151.84, 31,776.36 and 14,926.16 is: 22,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,151.84 : 31,776.36 = 14,926.16 : x
  2. Step 2: Convert to fraction form
    21,151.84/31,776.36 = 14,926.16/x
  3. Step 3: Cross multiply
    21,151.84x = 31,776.36 × 14,926.16
  4. Step 4: Simplify right side
    21,151.84x = 474,299,033.58
  5. Step 5: Solve for x
    x = 474,299,033.58/21,151.84
  6. Step 6: Final answer
    x = 22,423.54

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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.