Home / 23,210.50-32,056.86-15,643.78

Finding the Fourth Proportional to 23,210.50, 32,056.86 and 15,643.78

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Solution

The fourth proportional to 23,210.50, 32,056.86 and 15,643.78 is: 21,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,210.50 : 32,056.86 = 15,643.78 : x
  2. Step 2: Convert to fraction form
    23,210.50/32,056.86 = 15,643.78/x
  3. Step 3: Cross multiply
    23,210.50x = 32,056.86 × 15,643.78
  4. Step 4: Simplify right side
    23,210.50x = 501,490,624.17
  5. Step 5: Solve for x
    x = 501,490,624.17/23,210.50
  6. Step 6: Final answer
    x = 21,606.20

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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.