Home / 28,928.32-43,417.14-11,410.45

Finding the Fourth Proportional to 28,928.32, 43,417.14 and 11,410.45

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Solution

The fourth proportional to 28,928.32, 43,417.14 and 11,410.45 is: 17,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,928.32 : 43,417.14 = 11,410.45 : x
  2. Step 2: Convert to fraction form
    28,928.32/43,417.14 = 11,410.45/x
  3. Step 3: Cross multiply
    28,928.32x = 43,417.14 × 11,410.45
  4. Step 4: Simplify right side
    28,928.32x = 495,409,185.13
  5. Step 5: Solve for x
    x = 495,409,185.13/28,928.32
  6. Step 6: Final answer
    x = 17,125.40

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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.