Home / 25,513.86-38,280.63-8,875.62

Finding the Fourth Proportional to 25,513.86, 38,280.63 and 8,875.62

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Solution

The fourth proportional to 25,513.86, 38,280.63 and 8,875.62 is: 13,316.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,513.86 : 38,280.63 = 8,875.62 : x
  2. Step 2: Convert to fraction form
    25,513.86/38,280.63 = 8,875.62/x
  3. Step 3: Cross multiply
    25,513.86x = 38,280.63 × 8,875.62
  4. Step 4: Simplify right side
    25,513.86x = 339,764,325.24
  5. Step 5: Solve for x
    x = 339,764,325.24/25,513.86
  6. Step 6: Final answer
    x = 13,316.85

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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.