Home / 25,296.84-34,877.18-20,742.74

Finding the Fourth Proportional to 25,296.84, 34,877.18 and 20,742.74

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Solution

The fourth proportional to 25,296.84, 34,877.18 and 20,742.74 is: 28,598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,296.84 : 34,877.18 = 20,742.74 : x
  2. Step 2: Convert to fraction form
    25,296.84/34,877.18 = 20,742.74/x
  3. Step 3: Cross multiply
    25,296.84x = 34,877.18 × 20,742.74
  4. Step 4: Simplify right side
    25,296.84x = 723,448,276.67
  5. Step 5: Solve for x
    x = 723,448,276.67/25,296.84
  6. Step 6: Final answer
    x = 28,598.37

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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.