Home / 28,672.61-39,567.56-15,925.07

Finding the Fourth Proportional to 28,672.61, 39,567.56 and 15,925.07

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Solution

The fourth proportional to 28,672.61, 39,567.56 and 15,925.07 is: 21,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672.61 : 39,567.56 = 15,925.07 : x
  2. Step 2: Convert to fraction form
    28,672.61/39,567.56 = 15,925.07/x
  3. Step 3: Cross multiply
    28,672.61x = 39,567.56 × 15,925.07
  4. Step 4: Simplify right side
    28,672.61x = 630,116,182.02
  5. Step 5: Solve for x
    x = 630,116,182.02/28,672.61
  6. Step 6: Final answer
    x = 21,976.24

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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.