Home / 21,616.32-32,432.58-7,577.40

Finding the Fourth Proportional to 21,616.32, 32,432.58 and 7,577.40

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Solution

The fourth proportional to 21,616.32, 32,432.58 and 7,577.40 is: 11,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,616.32 : 32,432.58 = 7,577.40 : x
  2. Step 2: Convert to fraction form
    21,616.32/32,432.58 = 7,577.40/x
  3. Step 3: Cross multiply
    21,616.32x = 32,432.58 × 7,577.40
  4. Step 4: Simplify right side
    21,616.32x = 245,754,631.69
  5. Step 5: Solve for x
    x = 245,754,631.69/21,616.32
  6. Step 6: Final answer
    x = 11,368.94

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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.