Home / 22,763.42-31,364.79-15,298.46

Finding the Fourth Proportional to 22,763.42, 31,364.79 and 15,298.46

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Solution

The fourth proportional to 22,763.42, 31,364.79 and 15,298.46 is: 21,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,763.42 : 31,364.79 = 15,298.46 : x
  2. Step 2: Convert to fraction form
    22,763.42/31,364.79 = 15,298.46/x
  3. Step 3: Cross multiply
    22,763.42x = 31,364.79 × 15,298.46
  4. Step 4: Simplify right side
    22,763.42x = 479,832,985.22
  5. Step 5: Solve for x
    x = 479,832,985.22/22,763.42
  6. Step 6: Final answer
    x = 21,079.13

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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.