Home / 26,316.72-39,490.64-9,688.43

Finding the Fourth Proportional to 26,316.72, 39,490.64 and 9,688.43

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Solution

The fourth proportional to 26,316.72, 39,490.64 and 9,688.43 is: 14,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,316.72 : 39,490.64 = 9,688.43 : x
  2. Step 2: Convert to fraction form
    26,316.72/39,490.64 = 9,688.43/x
  3. Step 3: Cross multiply
    26,316.72x = 39,490.64 × 9,688.43
  4. Step 4: Simplify right side
    26,316.72x = 382,602,055.40
  5. Step 5: Solve for x
    x = 382,602,055.40/26,316.72
  6. Step 6: Final answer
    x = 14,538.36

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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.