Home / 23,428.08-32,330.79-12,817.71

Finding the Fourth Proportional to 23,428.08, 32,330.79 and 12,817.71

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Solution

The fourth proportional to 23,428.08, 32,330.79 and 12,817.71 is: 17,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,428.08 : 32,330.79 = 12,817.71 : x
  2. Step 2: Convert to fraction form
    23,428.08/32,330.79 = 12,817.71/x
  3. Step 3: Cross multiply
    23,428.08x = 32,330.79 × 12,817.71
  4. Step 4: Simplify right side
    23,428.08x = 414,406,690.29
  5. Step 5: Solve for x
    x = 414,406,690.29/23,428.08
  6. Step 6: Final answer
    x = 17,688.46

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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.