Home / 25,140.84-34,671.18-17,086.56

Finding the Fourth Proportional to 25,140.84, 34,671.18 and 17,086.56

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Solution

The fourth proportional to 25,140.84, 34,671.18 and 17,086.56 is: 23,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,140.84 : 34,671.18 = 17,086.56 : x
  2. Step 2: Convert to fraction form
    25,140.84/34,671.18 = 17,086.56/x
  3. Step 3: Cross multiply
    25,140.84x = 34,671.18 × 17,086.56
  4. Step 4: Simplify right side
    25,140.84x = 592,411,197.34
  5. Step 5: Solve for x
    x = 592,411,197.34/25,140.84
  6. Step 6: Final answer
    x = 23,563.70

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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.