Home / 29,368.45-40,528.47-15,939.91

Finding the Fourth Proportional to 29,368.45, 40,528.47 and 15,939.91

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Solution

The fourth proportional to 29,368.45, 40,528.47 and 15,939.91 is: 21,997.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,368.45 : 40,528.47 = 15,939.91 : x
  2. Step 2: Convert to fraction form
    29,368.45/40,528.47 = 15,939.91/x
  3. Step 3: Cross multiply
    29,368.45x = 40,528.47 × 15,939.91
  4. Step 4: Simplify right side
    29,368.45x = 646,020,164.24
  5. Step 5: Solve for x
    x = 646,020,164.24/29,368.45
  6. Step 6: Final answer
    x = 21,997.08

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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.