Home / 32,143.42-48,246.22-15,515.16

Finding the Fourth Proportional to 32,143.42, 48,246.22 and 15,515.16

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Solution

The fourth proportional to 32,143.42, 48,246.22 and 15,515.16 is: 23,287.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,143.42 : 48,246.22 = 15,515.16 : x
  2. Step 2: Convert to fraction form
    32,143.42/48,246.22 = 15,515.16/x
  3. Step 3: Cross multiply
    32,143.42x = 48,246.22 × 15,515.16
  4. Step 4: Simplify right side
    32,143.42x = 748,547,822.70
  5. Step 5: Solve for x
    x = 748,547,822.70/32,143.42
  6. Step 6: Final answer
    x = 23,287.75

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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.