Home / 22,975.46-31,705.75-12,903.92

Finding the Fourth Proportional to 22,975.46, 31,705.75 and 12,903.92

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Solution

The fourth proportional to 22,975.46, 31,705.75 and 12,903.92 is: 17,807.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,975.46 : 31,705.75 = 12,903.92 : x
  2. Step 2: Convert to fraction form
    22,975.46/31,705.75 = 12,903.92/x
  3. Step 3: Cross multiply
    22,975.46x = 31,705.75 × 12,903.92
  4. Step 4: Simplify right side
    22,975.46x = 409,128,461.54
  5. Step 5: Solve for x
    x = 409,128,461.54/22,975.46
  6. Step 6: Final answer
    x = 17,807.19

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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.