Home / 25,426-35,087.88-14,815.63

Finding the Fourth Proportional to 25,426, 35,087.88 and 14,815.63

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Solution

The fourth proportional to 25,426, 35,087.88 and 14,815.63 is: 20,445.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,426 : 35,087.88 = 14,815.63 : x
  2. Step 2: Convert to fraction form
    25,426/35,087.88 = 14,815.63/x
  3. Step 3: Cross multiply
    25,426x = 35,087.88 × 14,815.63
  4. Step 4: Simplify right side
    25,426x = 519,849,047.56
  5. Step 5: Solve for x
    x = 519,849,047.56/25,426
  6. Step 6: Final answer
    x = 20,445.57

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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.