Home / 19,158.64-28,727.70-8,475.28

Finding the Fourth Proportional to 19,158.64, 28,727.70 and 8,475.28

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Solution

The fourth proportional to 19,158.64, 28,727.70 and 8,475.28 is: 12,708.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.64 : 28,727.70 = 8,475.28 : x
  2. Step 2: Convert to fraction form
    19,158.64/28,727.70 = 8,475.28/x
  3. Step 3: Cross multiply
    19,158.64x = 28,727.70 × 8,475.28
  4. Step 4: Simplify right side
    19,158.64x = 243,475,301.26
  5. Step 5: Solve for x
    x = 243,475,301.26/19,158.64
  6. Step 6: Final answer
    x = 12,708.38

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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.