Home / 25,316.16-34,935.87-13,985.65

Finding the Fourth Proportional to 25,316.16, 34,935.87 and 13,985.65

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Solution

The fourth proportional to 25,316.16, 34,935.87 and 13,985.65 is: 19,299.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,316.16 : 34,935.87 = 13,985.65 : x
  2. Step 2: Convert to fraction form
    25,316.16/34,935.87 = 13,985.65/x
  3. Step 3: Cross multiply
    25,316.16x = 34,935.87 × 13,985.65
  4. Step 4: Simplify right side
    25,316.16x = 488,600,850.27
  5. Step 5: Solve for x
    x = 488,600,850.27/25,316.16
  6. Step 6: Final answer
    x = 19,299.96

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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.