Home / 27,312.54-40,903.20-15,590.22

Finding the Fourth Proportional to 27,312.54, 40,903.20 and 15,590.22

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Solution

The fourth proportional to 27,312.54, 40,903.20 and 15,590.22 is: 23,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.54 : 40,903.20 = 15,590.22 : x
  2. Step 2: Convert to fraction form
    27,312.54/40,903.20 = 15,590.22/x
  3. Step 3: Cross multiply
    27,312.54x = 40,903.20 × 15,590.22
  4. Step 4: Simplify right side
    27,312.54x = 637,689,886.70
  5. Step 5: Solve for x
    x = 637,689,886.70/27,312.54
  6. Step 6: Final answer
    x = 23,347.88

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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.