Home / 25,699.95-38,549.59-6,981.80

Finding the Fourth Proportional to 25,699.95, 38,549.59 and 6,981.80

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Solution

The fourth proportional to 25,699.95, 38,549.59 and 6,981.80 is: 10,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,699.95 : 38,549.59 = 6,981.80 : x
  2. Step 2: Convert to fraction form
    25,699.95/38,549.59 = 6,981.80/x
  3. Step 3: Cross multiply
    25,699.95x = 38,549.59 × 6,981.80
  4. Step 4: Simplify right side
    25,699.95x = 269,145,317.26
  5. Step 5: Solve for x
    x = 269,145,317.26/25,699.95
  6. Step 6: Final answer
    x = 10,472.60

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1.5x scale

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.