Home / 35,618.13-53,391.96-16,865.21

Finding the Fourth Proportional to 35,618.13, 53,391.96 and 16,865.21

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Solution

The fourth proportional to 35,618.13, 53,391.96 and 16,865.21 is: 25,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,618.13 : 53,391.96 = 16,865.21 : x
  2. Step 2: Convert to fraction form
    35,618.13/53,391.96 = 16,865.21/x
  3. Step 3: Cross multiply
    35,618.13x = 53,391.96 × 16,865.21
  4. Step 4: Simplify right side
    35,618.13x = 900,466,751.19
  5. Step 5: Solve for x
    x = 900,466,751.19/35,618.13
  6. Step 6: Final answer
    x = 25,281.13

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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.