Home / 35,574.24-53,361.18-9,278.40

Finding the Fourth Proportional to 35,574.24, 53,361.18 and 9,278.40

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Solution

The fourth proportional to 35,574.24, 53,361.18 and 9,278.40 is: 13,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,574.24 : 53,361.18 = 9,278.40 : x
  2. Step 2: Convert to fraction form
    35,574.24/53,361.18 = 9,278.40/x
  3. Step 3: Cross multiply
    35,574.24x = 53,361.18 × 9,278.40
  4. Step 4: Simplify right side
    35,574.24x = 495,106,372.51
  5. Step 5: Solve for x
    x = 495,106,372.51/35,574.24
  6. Step 6: Final answer
    x = 13,917.55

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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.