Home / 25,437.21-38,117.07-12,938.50

Finding the Fourth Proportional to 25,437.21, 38,117.07 and 12,938.50

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Solution

The fourth proportional to 25,437.21, 38,117.07 and 12,938.50 is: 19,388.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,437.21 : 38,117.07 = 12,938.50 : x
  2. Step 2: Convert to fraction form
    25,437.21/38,117.07 = 12,938.50/x
  3. Step 3: Cross multiply
    25,437.21x = 38,117.07 × 12,938.50
  4. Step 4: Simplify right side
    25,437.21x = 493,177,710.20
  5. Step 5: Solve for x
    x = 493,177,710.20/25,437.21
  6. Step 6: Final answer
    x = 19,388.04

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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.