Home / 28,709.48-43,082.14-15,570.92

Finding the Fourth Proportional to 28,709.48, 43,082.14 and 15,570.92

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Solution

The fourth proportional to 28,709.48, 43,082.14 and 15,570.92 is: 23,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.48 : 43,082.14 = 15,570.92 : x
  2. Step 2: Convert to fraction form
    28,709.48/43,082.14 = 15,570.92/x
  3. Step 3: Cross multiply
    28,709.48x = 43,082.14 × 15,570.92
  4. Step 4: Simplify right side
    28,709.48x = 670,828,555.37
  5. Step 5: Solve for x
    x = 670,828,555.37/28,709.48
  6. Step 6: Final answer
    x = 23,366.10

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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.