Home / 42,988.41-64,526.36-28,904.13

Finding the Fourth Proportional to 42,988.41, 64,526.36 and 28,904.13

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Solution

The fourth proportional to 42,988.41, 64,526.36 and 28,904.13 is: 43,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,988.41 : 64,526.36 = 28,904.13 : x
  2. Step 2: Convert to fraction form
    42,988.41/64,526.36 = 28,904.13/x
  3. Step 3: Cross multiply
    42,988.41x = 64,526.36 × 28,904.13
  4. Step 4: Simplify right side
    42,988.41x = 1,865,078,153.35
  5. Step 5: Solve for x
    x = 1,865,078,153.35/42,988.41
  6. Step 6: Final answer
    x = 43,385.60

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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.