Home / 25,280.10-37,909.22-19,440.81

Finding the Fourth Proportional to 25,280.10, 37,909.22 and 19,440.81

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Solution

The fourth proportional to 25,280.10, 37,909.22 and 19,440.81 is: 29,152.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.10 : 37,909.22 = 19,440.81 : x
  2. Step 2: Convert to fraction form
    25,280.10/37,909.22 = 19,440.81/x
  3. Step 3: Cross multiply
    25,280.10x = 37,909.22 × 19,440.81
  4. Step 4: Simplify right side
    25,280.10x = 736,985,846.06
  5. Step 5: Solve for x
    x = 736,985,846.06/25,280.10
  6. Step 6: Final answer
    x = 29,152.81

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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.