Home / 38,307.04-52,868.76-21,543.28

Finding the Fourth Proportional to 38,307.04, 52,868.76 and 21,543.28

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Solution

The fourth proportional to 38,307.04, 52,868.76 and 21,543.28 is: 29,732.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307.04 : 52,868.76 = 21,543.28 : x
  2. Step 2: Convert to fraction form
    38,307.04/52,868.76 = 21,543.28/x
  3. Step 3: Cross multiply
    38,307.04x = 52,868.76 × 21,543.28
  4. Step 4: Simplify right side
    38,307.04x = 1,138,966,499.93
  5. Step 5: Solve for x
    x = 1,138,966,499.93/38,307.04
  6. Step 6: Final answer
    x = 29,732.56

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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.