Home / 21,152.84-31,777.86-14,927.16

Finding the Fourth Proportional to 21,152.84, 31,777.86 and 14,927.16

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Solution

The fourth proportional to 21,152.84, 31,777.86 and 14,927.16 is: 22,425.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,152.84 : 31,777.86 = 14,927.16 : x
  2. Step 2: Convert to fraction form
    21,152.84/31,777.86 = 14,927.16/x
  3. Step 3: Cross multiply
    21,152.84x = 31,777.86 × 14,927.16
  4. Step 4: Simplify right side
    21,152.84x = 474,353,200.68
  5. Step 5: Solve for x
    x = 474,353,200.68/21,152.84
  6. Step 6: Final answer
    x = 22,425.04

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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.