Home / 26,637.69-39,946.15-9,988.65

Finding the Fourth Proportional to 26,637.69, 39,946.15 and 9,988.65

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Solution

The fourth proportional to 26,637.69, 39,946.15 and 9,988.65 is: 14,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,637.69 : 39,946.15 = 9,988.65 : x
  2. Step 2: Convert to fraction form
    26,637.69/39,946.15 = 9,988.65/x
  3. Step 3: Cross multiply
    26,637.69x = 39,946.15 × 9,988.65
  4. Step 4: Simplify right side
    26,637.69x = 399,008,086.23
  5. Step 5: Solve for x
    x = 399,008,086.23/26,637.69
  6. Step 6: Final answer
    x = 14,979.08

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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.