Home / 21,911.32-32,875.26-13,152.34

Finding the Fourth Proportional to 21,911.32, 32,875.26 and 13,152.34

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Solution

The fourth proportional to 21,911.32, 32,875.26 and 13,152.34 is: 19,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,911.32 : 32,875.26 = 13,152.34 : x
  2. Step 2: Convert to fraction form
    21,911.32/32,875.26 = 13,152.34/x
  3. Step 3: Cross multiply
    21,911.32x = 32,875.26 × 13,152.34
  4. Step 4: Simplify right side
    21,911.32x = 432,386,597.11
  5. Step 5: Solve for x
    x = 432,386,597.11/21,911.32
  6. Step 6: Final answer
    x = 19,733.48

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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.