Home / 37,772.16-52,126.08-21,005.76

Finding the Fourth Proportional to 37,772.16, 52,126.08 and 21,005.76

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Solution

The fourth proportional to 37,772.16, 52,126.08 and 21,005.76 is: 28,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,772.16 : 52,126.08 = 21,005.76 : x
  2. Step 2: Convert to fraction form
    37,772.16/52,126.08 = 21,005.76/x
  3. Step 3: Cross multiply
    37,772.16x = 52,126.08 × 21,005.76
  4. Step 4: Simplify right side
    37,772.16x = 1,094,947,926.22
  5. Step 5: Solve for x
    x = 1,094,947,926.22/37,772.16
  6. Step 6: Final answer
    x = 28,988.23

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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.