Home / 25,326.56-34,948.80-13,995.90

Finding the Fourth Proportional to 25,326.56, 34,948.80 and 13,995.90

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Solution

The fourth proportional to 25,326.56, 34,948.80 and 13,995.90 is: 19,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,326.56 : 34,948.80 = 13,995.90 : x
  2. Step 2: Convert to fraction form
    25,326.56/34,948.80 = 13,995.90/x
  3. Step 3: Cross multiply
    25,326.56x = 34,948.80 × 13,995.90
  4. Step 4: Simplify right side
    25,326.56x = 489,140,018.11
  5. Step 5: Solve for x
    x = 489,140,018.11/25,326.56
  6. Step 6: Final answer
    x = 19,313.32

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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.