Home / 21,616.32-32,444.70-13,312.54

Finding the Fourth Proportional to 21,616.32, 32,444.70 and 13,312.54

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Solution

The fourth proportional to 21,616.32, 32,444.70 and 13,312.54 is: 19,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,616.32 : 32,444.70 = 13,312.54 : x
  2. Step 2: Convert to fraction form
    21,616.32/32,444.70 = 13,312.54/x
  3. Step 3: Cross multiply
    21,616.32x = 32,444.70 × 13,312.54
  4. Step 4: Simplify right side
    21,616.32x = 431,921,366.54
  5. Step 5: Solve for x
    x = 431,921,366.54/21,616.32
  6. Step 6: Final answer
    x = 19,981.26

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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.