Home / 21,852.32-32,778.54-14,455.40

Finding the Fourth Proportional to 21,852.32, 32,778.54 and 14,455.40

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Solution

The fourth proportional to 21,852.32, 32,778.54 and 14,455.40 is: 21,683.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,852.32 : 32,778.54 = 14,455.40 : x
  2. Step 2: Convert to fraction form
    21,852.32/32,778.54 = 14,455.40/x
  3. Step 3: Cross multiply
    21,852.32x = 32,778.54 × 14,455.40
  4. Step 4: Simplify right side
    21,852.32x = 473,826,907.12
  5. Step 5: Solve for x
    x = 473,826,907.12/21,852.32
  6. Step 6: Final answer
    x = 21,683.14

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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.