Home / 24,771.12-34,200.08-15,345.12

Finding the Fourth Proportional to 24,771.12, 34,200.08 and 15,345.12

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Solution

The fourth proportional to 24,771.12, 34,200.08 and 15,345.12 is: 21,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,771.12 : 34,200.08 = 15,345.12 : x
  2. Step 2: Convert to fraction form
    24,771.12/34,200.08 = 15,345.12/x
  3. Step 3: Cross multiply
    24,771.12x = 34,200.08 × 15,345.12
  4. Step 4: Simplify right side
    24,771.12x = 524,804,331.61
  5. Step 5: Solve for x
    x = 524,804,331.61/24,771.12
  6. Step 6: Final answer
    x = 21,186.14

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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.