Home / 25,958.60-38,981.10-14,280.20

Finding the Fourth Proportional to 25,958.60, 38,981.10 and 14,280.20

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Solution

The fourth proportional to 25,958.60, 38,981.10 and 14,280.20 is: 21,444.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,958.60 : 38,981.10 = 14,280.20 : x
  2. Step 2: Convert to fraction form
    25,958.60/38,981.10 = 14,280.20/x
  3. Step 3: Cross multiply
    25,958.60x = 38,981.10 × 14,280.20
  4. Step 4: Simplify right side
    25,958.60x = 556,657,904.22
  5. Step 5: Solve for x
    x = 556,657,904.22/25,958.60
  6. Step 6: Final answer
    x = 21,444.06

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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.