Home / 25,587.90-35,312.40-14,257.41

Finding the Fourth Proportional to 25,587.90, 35,312.40 and 14,257.41

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Solution

The fourth proportional to 25,587.90, 35,312.40 and 14,257.41 is: 19,675.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,587.90 : 35,312.40 = 14,257.41 : x
  2. Step 2: Convert to fraction form
    25,587.90/35,312.40 = 14,257.41/x
  3. Step 3: Cross multiply
    25,587.90x = 35,312.40 × 14,257.41
  4. Step 4: Simplify right side
    25,587.90x = 503,463,364.88
  5. Step 5: Solve for x
    x = 503,463,364.88/25,587.90
  6. Step 6: Final answer
    x = 19,675.84

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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.