Home / 23,621.40-35,345.70-21,547.80

Finding the Fourth Proportional to 23,621.40, 35,345.70 and 21,547.80

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Solution

The fourth proportional to 23,621.40, 35,345.70 and 21,547.80 is: 32,242.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,621.40 : 35,345.70 = 21,547.80 : x
  2. Step 2: Convert to fraction form
    23,621.40/35,345.70 = 21,547.80/x
  3. Step 3: Cross multiply
    23,621.40x = 35,345.70 × 21,547.80
  4. Step 4: Simplify right side
    23,621.40x = 761,622,074.46
  5. Step 5: Solve for x
    x = 761,622,074.46/23,621.40
  6. Step 6: Final answer
    x = 32,242.88

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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.