Home / 27,488.40-37,931.44-15,552.64

Finding the Fourth Proportional to 27,488.40, 37,931.44 and 15,552.64

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Solution

The fourth proportional to 27,488.40, 37,931.44 and 15,552.64 is: 21,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,488.40 : 37,931.44 = 15,552.64 : x
  2. Step 2: Convert to fraction form
    27,488.40/37,931.44 = 15,552.64/x
  3. Step 3: Cross multiply
    27,488.40x = 37,931.44 × 15,552.64
  4. Step 4: Simplify right side
    27,488.40x = 589,934,031.00
  5. Step 5: Solve for x
    x = 589,934,031.00/27,488.40
  6. Step 6: Final answer
    x = 21,461.20

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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.