Home / 27,082.04-40,618.08-12,287.40

Finding the Fourth Proportional to 27,082.04, 40,618.08 and 12,287.40

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Solution

The fourth proportional to 27,082.04, 40,618.08 and 12,287.40 is: 18,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,082.04 : 40,618.08 = 12,287.40 : x
  2. Step 2: Convert to fraction form
    27,082.04/40,618.08 = 12,287.40/x
  3. Step 3: Cross multiply
    27,082.04x = 40,618.08 × 12,287.40
  4. Step 4: Simplify right side
    27,082.04x = 499,090,596.19
  5. Step 5: Solve for x
    x = 499,090,596.19/27,082.04
  6. Step 6: Final answer
    x = 18,428.84

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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.