Home / 25,516.48-38,272.29-8,875.84

Finding the Fourth Proportional to 25,516.48, 38,272.29 and 8,875.84

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Solution

The fourth proportional to 25,516.48, 38,272.29 and 8,875.84 is: 13,312.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,516.48 : 38,272.29 = 8,875.84 : x
  2. Step 2: Convert to fraction form
    25,516.48/38,272.29 = 8,875.84/x
  3. Step 3: Cross multiply
    25,516.48x = 38,272.29 × 8,875.84
  4. Step 4: Simplify right side
    25,516.48x = 339,698,722.47
  5. Step 5: Solve for x
    x = 339,698,722.47/25,516.48
  6. Step 6: Final answer
    x = 13,312.91

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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.