Home / 25,980.60-39,014.10-14,302.20

Finding the Fourth Proportional to 25,980.60, 39,014.10 and 14,302.20

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Solution

The fourth proportional to 25,980.60, 39,014.10 and 14,302.20 is: 21,477.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,980.60 : 39,014.10 = 14,302.20 : x
  2. Step 2: Convert to fraction form
    25,980.60/39,014.10 = 14,302.20/x
  3. Step 3: Cross multiply
    25,980.60x = 39,014.10 × 14,302.20
  4. Step 4: Simplify right side
    25,980.60x = 557,987,461.02
  5. Step 5: Solve for x
    x = 557,987,461.02/25,980.60
  6. Step 6: Final answer
    x = 21,477.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.