Home / 25,409.15-38,148.64-12,937.56

Finding the Fourth Proportional to 25,409.15, 38,148.64 and 12,937.56

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Solution

The fourth proportional to 25,409.15, 38,148.64 and 12,937.56 is: 19,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409.15 : 38,148.64 = 12,937.56 : x
  2. Step 2: Convert to fraction form
    25,409.15/38,148.64 = 12,937.56/x
  3. Step 3: Cross multiply
    25,409.15x = 38,148.64 × 12,937.56
  4. Step 4: Simplify right side
    25,409.15x = 493,550,231.51
  5. Step 5: Solve for x
    x = 493,550,231.51/25,409.15
  6. Step 6: Final answer
    x = 19,424.11

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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.