Home / 39,904.86-59,856.90-15,280.86

Finding the Fourth Proportional to 39,904.86, 59,856.90 and 15,280.86

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Solution

The fourth proportional to 39,904.86, 59,856.90 and 15,280.86 is: 22,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.86 : 59,856.90 = 15,280.86 : x
  2. Step 2: Convert to fraction form
    39,904.86/59,856.90 = 15,280.86/x
  3. Step 3: Cross multiply
    39,904.86x = 59,856.90 × 15,280.86
  4. Step 4: Simplify right side
    39,904.86x = 914,664,908.93
  5. Step 5: Solve for x
    x = 914,664,908.93/39,904.86
  6. Step 6: Final answer
    x = 22,921.14

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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.