Home / 22,848.84-31,531.16-12,777.16

Finding the Fourth Proportional to 22,848.84, 31,531.16 and 12,777.16

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Solution

The fourth proportional to 22,848.84, 31,531.16 and 12,777.16 is: 17,632.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,848.84 : 31,531.16 = 12,777.16 : x
  2. Step 2: Convert to fraction form
    22,848.84/31,531.16 = 12,777.16/x
  3. Step 3: Cross multiply
    22,848.84x = 31,531.16 × 12,777.16
  4. Step 4: Simplify right side
    22,848.84x = 402,878,676.31
  5. Step 5: Solve for x
    x = 402,878,676.31/22,848.84
  6. Step 6: Final answer
    x = 17,632.35

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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.