Home / 28,107.41-42,148.76-14,956.65

Finding the Fourth Proportional to 28,107.41, 42,148.76 and 14,956.65

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Solution

The fourth proportional to 28,107.41, 42,148.76 and 14,956.65 is: 22,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,107.41 : 42,148.76 = 14,956.65 : x
  2. Step 2: Convert to fraction form
    28,107.41/42,148.76 = 14,956.65/x
  3. Step 3: Cross multiply
    28,107.41x = 42,148.76 × 14,956.65
  4. Step 4: Simplify right side
    28,107.41x = 630,404,176.47
  5. Step 5: Solve for x
    x = 630,404,176.47/28,107.41
  6. Step 6: Final answer
    x = 22,428.40

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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.