Home / 21,572.06-32,316.62-15,555.11

Finding the Fourth Proportional to 21,572.06, 32,316.62 and 15,555.11

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Solution

The fourth proportional to 21,572.06, 32,316.62 and 15,555.11 is: 23,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.06 : 32,316.62 = 15,555.11 : x
  2. Step 2: Convert to fraction form
    21,572.06/32,316.62 = 15,555.11/x
  3. Step 3: Cross multiply
    21,572.06x = 32,316.62 × 15,555.11
  4. Step 4: Simplify right side
    21,572.06x = 502,688,339.57
  5. Step 5: Solve for x
    x = 502,688,339.57/21,572.06
  6. Step 6: Final answer
    x = 23,302.76

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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.