Home / 22,848.89-31,531.29-12,777.35

Finding the Fourth Proportional to 22,848.89, 31,531.29 and 12,777.35

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Solution

The fourth proportional to 22,848.89, 31,531.29 and 12,777.35 is: 17,632.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,848.89 : 31,531.29 = 12,777.35 : x
  2. Step 2: Convert to fraction form
    22,848.89/31,531.29 = 12,777.35/x
  3. Step 3: Cross multiply
    22,848.89x = 31,531.29 × 12,777.35
  4. Step 4: Simplify right side
    22,848.89x = 402,886,328.28
  5. Step 5: Solve for x
    x = 402,886,328.28/22,848.89
  6. Step 6: Final answer
    x = 17,632.64

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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.