Home / 27,031.68-40,547.52-11,438.72

Finding the Fourth Proportional to 27,031.68, 40,547.52 and 11,438.72

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Solution

The fourth proportional to 27,031.68, 40,547.52 and 11,438.72 is: 17,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,031.68 : 40,547.52 = 11,438.72 : x
  2. Step 2: Convert to fraction form
    27,031.68/40,547.52 = 11,438.72/x
  3. Step 3: Cross multiply
    27,031.68x = 40,547.52 × 11,438.72
  4. Step 4: Simplify right side
    27,031.68x = 463,811,727.97
  5. Step 5: Solve for x
    x = 463,811,727.97/27,031.68
  6. Step 6: Final answer
    x = 17,158.08

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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.