Home / 28,927.08-43,397.16-9,206.76

Finding the Fourth Proportional to 28,927.08, 43,397.16 and 9,206.76

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Solution

The fourth proportional to 28,927.08, 43,397.16 and 9,206.76 is: 13,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,927.08 : 43,397.16 = 9,206.76 : x
  2. Step 2: Convert to fraction form
    28,927.08/43,397.16 = 9,206.76/x
  3. Step 3: Cross multiply
    28,927.08x = 43,397.16 × 9,206.76
  4. Step 4: Simplify right side
    28,927.08x = 399,547,236.80
  5. Step 5: Solve for x
    x = 399,547,236.80/28,927.08
  6. Step 6: Final answer
    x = 13,812.22

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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.