Home / 28,567.36-39,423.04-15,992.32

Finding the Fourth Proportional to 28,567.36, 39,423.04 and 15,992.32

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Solution

The fourth proportional to 28,567.36, 39,423.04 and 15,992.32 is: 22,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,567.36 : 39,423.04 = 15,992.32 : x
  2. Step 2: Convert to fraction form
    28,567.36/39,423.04 = 15,992.32/x
  3. Step 3: Cross multiply
    28,567.36x = 39,423.04 × 15,992.32
  4. Step 4: Simplify right side
    28,567.36x = 630,465,871.05
  5. Step 5: Solve for x
    x = 630,465,871.05/28,567.36
  6. Step 6: Final answer
    x = 22,069.45

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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.