Home / 28,192.84-42,237.06-14,136.46

Finding the Fourth Proportional to 28,192.84, 42,237.06 and 14,136.46

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Solution

The fourth proportional to 28,192.84, 42,237.06 and 14,136.46 is: 21,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,192.84 : 42,237.06 = 14,136.46 : x
  2. Step 2: Convert to fraction form
    28,192.84/42,237.06 = 14,136.46/x
  3. Step 3: Cross multiply
    28,192.84x = 42,237.06 × 14,136.46
  4. Step 4: Simplify right side
    28,192.84x = 597,082,509.21
  5. Step 5: Solve for x
    x = 597,082,509.21/28,192.84
  6. Step 6: Final answer
    x = 21,178.52

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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.