Home / 23,500.36-32,432.21-13,428.57

Finding the Fourth Proportional to 23,500.36, 32,432.21 and 13,428.57

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Solution

The fourth proportional to 23,500.36, 32,432.21 and 13,428.57 is: 18,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,500.36 : 32,432.21 = 13,428.57 : x
  2. Step 2: Convert to fraction form
    23,500.36/32,432.21 = 13,428.57/x
  3. Step 3: Cross multiply
    23,500.36x = 32,432.21 × 13,428.57
  4. Step 4: Simplify right side
    23,500.36x = 435,518,135.10
  5. Step 5: Solve for x
    x = 435,518,135.10/23,500.36
  6. Step 6: Final answer
    x = 18,532.40

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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.