Home / 23,511.55-32,445.93-13,440.21

Finding the Fourth Proportional to 23,511.55, 32,445.93 and 13,440.21

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Solution

The fourth proportional to 23,511.55, 32,445.93 and 13,440.21 is: 18,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,511.55 : 32,445.93 = 13,440.21 : x
  2. Step 2: Convert to fraction form
    23,511.55/32,445.93 = 13,440.21/x
  3. Step 3: Cross multiply
    23,511.55x = 32,445.93 × 13,440.21
  4. Step 4: Simplify right side
    23,511.55x = 436,079,984.22
  5. Step 5: Solve for x
    x = 436,079,984.22/23,511.55
  6. Step 6: Final answer
    x = 18,547.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.