Home / 25,742.07-35,515.80-14,409.90

Finding the Fourth Proportional to 25,742.07, 35,515.80 and 14,409.90

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Solution

The fourth proportional to 25,742.07, 35,515.80 and 14,409.90 is: 19,881.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,742.07 : 35,515.80 = 14,409.90 : x
  2. Step 2: Convert to fraction form
    25,742.07/35,515.80 = 14,409.90/x
  3. Step 3: Cross multiply
    25,742.07x = 35,515.80 × 14,409.90
  4. Step 4: Simplify right side
    25,742.07x = 511,779,126.42
  5. Step 5: Solve for x
    x = 511,779,126.42/25,742.07
  6. Step 6: Final answer
    x = 19,881.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.