Home / 28,062.79-38,718.52-17,304.01

Finding the Fourth Proportional to 28,062.79, 38,718.52 and 17,304.01

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Solution

The fourth proportional to 28,062.79, 38,718.52 and 17,304.01 is: 23,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062.79 : 38,718.52 = 17,304.01 : x
  2. Step 2: Convert to fraction form
    28,062.79/38,718.52 = 17,304.01/x
  3. Step 3: Cross multiply
    28,062.79x = 38,718.52 × 17,304.01
  4. Step 4: Simplify right side
    28,062.79x = 669,985,657.27
  5. Step 5: Solve for x
    x = 669,985,657.27/28,062.79
  6. Step 6: Final answer
    x = 23,874.52

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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.