Home / 28,673.16-39,567.04-15,925.30

Finding the Fourth Proportional to 28,673.16, 39,567.04 and 15,925.30

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Solution

The fourth proportional to 28,673.16, 39,567.04 and 15,925.30 is: 21,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673.16 : 39,567.04 = 15,925.30 : x
  2. Step 2: Convert to fraction form
    28,673.16/39,567.04 = 15,925.30/x
  3. Step 3: Cross multiply
    28,673.16x = 39,567.04 × 15,925.30
  4. Step 4: Simplify right side
    28,673.16x = 630,116,982.11
  5. Step 5: Solve for x
    x = 630,116,982.11/28,673.16
  6. Step 6: Final answer
    x = 21,975.85

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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.