Home / 25,715.93-35,487.80-14,385.38

Finding the Fourth Proportional to 25,715.93, 35,487.80 and 14,385.38

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Solution

The fourth proportional to 25,715.93, 35,487.80 and 14,385.38 is: 19,851.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,715.93 : 35,487.80 = 14,385.38 : x
  2. Step 2: Convert to fraction form
    25,715.93/35,487.80 = 14,385.38/x
  3. Step 3: Cross multiply
    25,715.93x = 35,487.80 × 14,385.38
  4. Step 4: Simplify right side
    25,715.93x = 510,505,488.36
  5. Step 5: Solve for x
    x = 510,505,488.36/25,715.93
  6. Step 6: Final answer
    x = 19,851.72

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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.