Home / 21,275.59-31,933.08-10,753.01

Finding the Fourth Proportional to 21,275.59, 31,933.08 and 10,753.01

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Solution

The fourth proportional to 21,275.59, 31,933.08 and 10,753.01 is: 16,139.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275.59 : 31,933.08 = 10,753.01 : x
  2. Step 2: Convert to fraction form
    21,275.59/31,933.08 = 10,753.01/x
  3. Step 3: Cross multiply
    21,275.59x = 31,933.08 × 10,753.01
  4. Step 4: Simplify right side
    21,275.59x = 343,376,728.57
  5. Step 5: Solve for x
    x = 343,376,728.57/21,275.59
  6. Step 6: Final answer
    x = 16,139.47

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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.