Home / 25,135.74-34,687.71-14,526.90

Finding the Fourth Proportional to 25,135.74, 34,687.71 and 14,526.90

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Solution

The fourth proportional to 25,135.74, 34,687.71 and 14,526.90 is: 20,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,135.74 : 34,687.71 = 14,526.90 : x
  2. Step 2: Convert to fraction form
    25,135.74/34,687.71 = 14,526.90/x
  3. Step 3: Cross multiply
    25,135.74x = 34,687.71 × 14,526.90
  4. Step 4: Simplify right side
    25,135.74x = 503,904,894.40
  5. Step 5: Solve for x
    x = 503,904,894.40/25,135.74
  6. Step 6: Final answer
    x = 20,047.35

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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.