Home / 28,631.16-39,510.96-17,453.16

Finding the Fourth Proportional to 28,631.16, 39,510.96 and 17,453.16

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Solution

The fourth proportional to 28,631.16, 39,510.96 and 17,453.16 is: 24,085.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,631.16 : 39,510.96 = 17,453.16 : x
  2. Step 2: Convert to fraction form
    28,631.16/39,510.96 = 17,453.16/x
  3. Step 3: Cross multiply
    28,631.16x = 39,510.96 × 17,453.16
  4. Step 4: Simplify right side
    28,631.16x = 689,591,106.63
  5. Step 5: Solve for x
    x = 689,591,106.63/28,631.16
  6. Step 6: Final answer
    x = 24,085.34

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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.