Home / 28,885.05-43,298.42-15,710.13

Finding the Fourth Proportional to 28,885.05, 43,298.42 and 15,710.13

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Solution

The fourth proportional to 28,885.05, 43,298.42 and 15,710.13 is: 23,549.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.05 : 43,298.42 = 15,710.13 : x
  2. Step 2: Convert to fraction form
    28,885.05/43,298.42 = 15,710.13/x
  3. Step 3: Cross multiply
    28,885.05x = 43,298.42 × 15,710.13
  4. Step 4: Simplify right side
    28,885.05x = 680,223,728.44
  5. Step 5: Solve for x
    x = 680,223,728.44/28,885.05
  6. Step 6: Final answer
    x = 23,549.34

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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.