Home / 28,875.20-43,312.80-23,626.40

Finding the Fourth Proportional to 28,875.20, 43,312.80 and 23,626.40

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Solution

The fourth proportional to 28,875.20, 43,312.80 and 23,626.40 is: 35,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,875.20 : 43,312.80 = 23,626.40 : x
  2. Step 2: Convert to fraction form
    28,875.20/43,312.80 = 23,626.40/x
  3. Step 3: Cross multiply
    28,875.20x = 43,312.80 × 23,626.40
  4. Step 4: Simplify right side
    28,875.20x = 1,023,325,537.92
  5. Step 5: Solve for x
    x = 1,023,325,537.92/28,875.20
  6. Step 6: Final answer
    x = 35,439.60

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1.5x scale

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.