Home / 25,795.42-38,641.29-13,457.50

Finding the Fourth Proportional to 25,795.42, 38,641.29 and 13,457.50

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Solution

The fourth proportional to 25,795.42, 38,641.29 and 13,457.50 is: 20,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795.42 : 38,641.29 = 13,457.50 : x
  2. Step 2: Convert to fraction form
    25,795.42/38,641.29 = 13,457.50/x
  3. Step 3: Cross multiply
    25,795.42x = 38,641.29 × 13,457.50
  4. Step 4: Simplify right side
    25,795.42x = 520,015,160.18
  5. Step 5: Solve for x
    x = 520,015,160.18/25,795.42
  6. Step 6: Final answer
    x = 20,159.21

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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.