Home / 25,204.95-34,782.96-13,875.59

Finding the Fourth Proportional to 25,204.95, 34,782.96 and 13,875.59

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Solution

The fourth proportional to 25,204.95, 34,782.96 and 13,875.59 is: 19,148.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,204.95 : 34,782.96 = 13,875.59 : x
  2. Step 2: Convert to fraction form
    25,204.95/34,782.96 = 13,875.59/x
  3. Step 3: Cross multiply
    25,204.95x = 34,782.96 × 13,875.59
  4. Step 4: Simplify right side
    25,204.95x = 482,634,091.95
  5. Step 5: Solve for x
    x = 482,634,091.95/25,204.95
  6. Step 6: Final answer
    x = 19,148.39

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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.