Home / 27,681.02-38,200.66-15,746.08

Finding the Fourth Proportional to 27,681.02, 38,200.66 and 15,746.08

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Solution

The fourth proportional to 27,681.02, 38,200.66 and 15,746.08 is: 21,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681.02 : 38,200.66 = 15,746.08 : x
  2. Step 2: Convert to fraction form
    27,681.02/38,200.66 = 15,746.08/x
  3. Step 3: Cross multiply
    27,681.02x = 38,200.66 × 15,746.08
  4. Step 4: Simplify right side
    27,681.02x = 601,510,648.41
  5. Step 5: Solve for x
    x = 601,510,648.41/27,681.02
  6. Step 6: Final answer
    x = 21,730.08

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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.