Home / 42,855.18-59,133.12-26,928.36

Finding the Fourth Proportional to 42,855.18, 59,133.12 and 26,928.36

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Solution

The fourth proportional to 42,855.18, 59,133.12 and 26,928.36 is: 37,156.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,855.18 : 59,133.12 = 26,928.36 : x
  2. Step 2: Convert to fraction form
    42,855.18/59,133.12 = 26,928.36/x
  3. Step 3: Cross multiply
    42,855.18x = 59,133.12 × 26,928.36
  4. Step 4: Simplify right side
    42,855.18x = 1,592,357,943.28
  5. Step 5: Solve for x
    x = 1,592,357,943.28/42,855.18
  6. Step 6: Final answer
    x = 37,156.72

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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.