Home / 28,937.79-43,412.13-19,599.30

Finding the Fourth Proportional to 28,937.79, 43,412.13 and 19,599.30

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Solution

The fourth proportional to 28,937.79, 43,412.13 and 19,599.30 is: 29,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.79 : 43,412.13 = 19,599.30 : x
  2. Step 2: Convert to fraction form
    28,937.79/43,412.13 = 19,599.30/x
  3. Step 3: Cross multiply
    28,937.79x = 43,412.13 × 19,599.30
  4. Step 4: Simplify right side
    28,937.79x = 850,847,359.51
  5. Step 5: Solve for x
    x = 850,847,359.51/28,937.79
  6. Step 6: Final answer
    x = 29,402.64

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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.