Home / 21,680.28-32,525.28-9,030.24

Finding the Fourth Proportional to 21,680.28, 32,525.28 and 9,030.24

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Solution

The fourth proportional to 21,680.28, 32,525.28 and 9,030.24 is: 13,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,680.28 : 32,525.28 = 9,030.24 : x
  2. Step 2: Convert to fraction form
    21,680.28/32,525.28 = 9,030.24/x
  3. Step 3: Cross multiply
    21,680.28x = 32,525.28 × 9,030.24
  4. Step 4: Simplify right side
    21,680.28x = 293,711,084.47
  5. Step 5: Solve for x
    x = 293,711,084.47/21,680.28
  6. Step 6: Final answer
    x = 13,547.38

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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.