Home / 21,653.68-32,461.08-17,979.52

Finding the Fourth Proportional to 21,653.68, 32,461.08 and 17,979.52

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Solution

The fourth proportional to 21,653.68, 32,461.08 and 17,979.52 is: 26,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,653.68 : 32,461.08 = 17,979.52 : x
  2. Step 2: Convert to fraction form
    21,653.68/32,461.08 = 17,979.52/x
  3. Step 3: Cross multiply
    21,653.68x = 32,461.08 × 17,979.52
  4. Step 4: Simplify right side
    21,653.68x = 583,634,637.08
  5. Step 5: Solve for x
    x = 583,634,637.08/21,653.68
  6. Step 6: Final answer
    x = 26,953.14

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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.