Home / 25,688.20-38,537.70-14,585.80

Finding the Fourth Proportional to 25,688.20, 38,537.70 and 14,585.80

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Solution

The fourth proportional to 25,688.20, 38,537.70 and 14,585.80 is: 21,881.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688.20 : 38,537.70 = 14,585.80 : x
  2. Step 2: Convert to fraction form
    25,688.20/38,537.70 = 14,585.80/x
  3. Step 3: Cross multiply
    25,688.20x = 38,537.70 × 14,585.80
  4. Step 4: Simplify right side
    25,688.20x = 562,103,184.66
  5. Step 5: Solve for x
    x = 562,103,184.66/25,688.20
  6. Step 6: Final answer
    x = 21,881.77

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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.