Home / 22,743.67-31,361.18-15,574.76

Finding the Fourth Proportional to 22,743.67, 31,361.18 and 15,574.76

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Solution

The fourth proportional to 22,743.67, 31,361.18 and 15,574.76 is: 21,476.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,743.67 : 31,361.18 = 15,574.76 : x
  2. Step 2: Convert to fraction form
    22,743.67/31,361.18 = 15,574.76/x
  3. Step 3: Cross multiply
    22,743.67x = 31,361.18 × 15,574.76
  4. Step 4: Simplify right side
    22,743.67x = 488,442,969.16
  5. Step 5: Solve for x
    x = 488,442,969.16/22,743.67
  6. Step 6: Final answer
    x = 21,476.00

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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.