Home / 27,646.59-38,152.87-15,547.31

Finding the Fourth Proportional to 27,646.59, 38,152.87 and 15,547.31

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Solution

The fourth proportional to 27,646.59, 38,152.87 and 15,547.31 is: 21,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,646.59 : 38,152.87 = 15,547.31 : x
  2. Step 2: Convert to fraction form
    27,646.59/38,152.87 = 15,547.31/x
  3. Step 3: Cross multiply
    27,646.59x = 38,152.87 × 15,547.31
  4. Step 4: Simplify right side
    27,646.59x = 593,174,267.65
  5. Step 5: Solve for x
    x = 593,174,267.65/27,646.59
  6. Step 6: Final answer
    x = 21,455.60

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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.